Algebra Examples

${(x + \sqrt{\frac{5}{3}} y)}^{4}$

Step 1

Use the binomial expansion theorem to find each term. The binomial theorem states ${(a + b)}^{n} = \sum_{k = 0}^{n} n C k \cdot (a^{n - k} b^{k})$ .

$\sum_{k = 0}^{4} \frac{4!}{(4 - k)! k!} \cdot {(x)}^{4 - k} \cdot {(\sqrt{\frac{5}{3}} y)}^{k}$

Step 2

Expand the summation.

$\frac{4!}{(4 - 0)! 0!} {(x)}^{4 - 0} \cdot {(\sqrt{\frac{5}{3}} y)}^{0} + \frac{4!}{(4 - 1)! 1!} {(x)}^{4 - 1} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + \frac{4!}{(4 - 2)! 2!} {(x)}^{4 - 2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + \frac{4!}{(4 - 3)! 3!} {(x)}^{4 - 3} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + \frac{4!}{(4 - 4)! 4!} {(x)}^{4 - 4} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 3

Simplify the exponents for each term of the expansion.

$1 \cdot {(x)}^{4} \cdot {(\sqrt{\frac{5}{3}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4

Simplify each term.

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Step 4.1

Multiply ${(x)}^{4}$ by $1$ .

${(x)}^{4} \cdot {(\sqrt{\frac{5}{3}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.2

Rewrite $\sqrt{\frac{5}{3}}$ as $\frac{\sqrt{5}}{\sqrt{3}}$ .

$x^{4} \cdot {(\frac{\sqrt{5}}{\sqrt{3}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.3

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} \cdot {(\frac{\sqrt{5}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4

Combine and simplify the denominator.

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Step 4.4.1

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{\sqrt{3} \sqrt{3}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.2

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} \sqrt{3}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.3

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} {\sqrt{3}}^{1}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1 + 1}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.5

Add $1$ and $1$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{2}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.6

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 4.4.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{(3^{\frac{1}{2}})}^{2}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{1}{2} \cdot 2}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.6.3

Combine $\frac{1}{2}$ and $2$ .

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.6.4

Cancel the common factor of $2$ .

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Step 4.4.6.4.1

Cancel the common factor.

Step 4.4.6.4.2

Rewrite the expression.

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{1}} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.4.6.5

Evaluate the exponent.

$x^{4} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.5

Simplify the numerator.

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Step 4.5.1

Combine using the product rule for radicals.

$x^{4} \cdot {(\frac{\sqrt{5 \cdot 3}}{3} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.5.2

Multiply $5$ by $3$ .

$x^{4} \cdot {(\frac{\sqrt{15}}{3} y)}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.6

Combine $\frac{\sqrt{15}}{3}$ and $y$ .

$x^{4} \cdot {(\frac{\sqrt{15} y}{3})}^{0} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.7

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 4.7.1

Apply the product rule to $\frac{\sqrt{15} y}{3}$ .

$x^{4} \cdot \frac{{(\sqrt{15} y)}^{0}}{3^{0}} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.7.2

Apply the product rule to $\sqrt{15} y$ .

$x^{4} \cdot \frac{{\sqrt{15}}^{0} y^{0}}{3^{0}} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.8

Simplify the numerator.

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Step 4.8.1

Anything raised to $0$ is $1$ .

$x^{4} \cdot \frac{1 y^{0}}{3^{0}} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.8.2

Anything raised to $0$ is $1$ .

$x^{4} \cdot \frac{1 \cdot 1}{3^{0}} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.8.3

Multiply $1$ by $1$ .

$x^{4} \cdot \frac{1}{3^{0}} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.9

Anything raised to $0$ is $1$ .

$x^{4} \cdot \frac{1}{1} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.10

Divide $1$ by $1$ .

$x^{4} \cdot 1 + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.11

Multiply $x^{4}$ by $1$ .

$x^{4} + 4 \cdot {(x)}^{3} \cdot {(\sqrt{\frac{5}{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.12

Rewrite $\sqrt{\frac{5}{3}}$ as $\frac{\sqrt{5}}{\sqrt{3}}$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5}}{\sqrt{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.13

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14

Combine and simplify the denominator.

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Step 4.14.1

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{\sqrt{3} \sqrt{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.2

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} \sqrt{3}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.3

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} {\sqrt{3}}^{1}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1 + 1}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.5

Add $1$ and $1$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{2}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.6

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 4.14.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{(3^{\frac{1}{2}})}^{2}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{1}{2} \cdot 2}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.6.3

Combine $\frac{1}{2}$ and $2$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.6.4

Cancel the common factor of $2$ .

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Step 4.14.6.4.1

Cancel the common factor.

Step 4.14.6.4.2

Rewrite the expression.

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{1}} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.14.6.5

Evaluate the exponent.

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.15

Simplify the numerator.

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Step 4.15.1

Combine using the product rule for radicals.

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{5 \cdot 3}}{3} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.15.2

Multiply $5$ by $3$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{15}}{3} y)}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.16

Combine $\frac{\sqrt{15}}{3}$ and $y$ .

$x^{4} + 4 x^{3} \cdot {(\frac{\sqrt{15} y}{3})}^{1} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.17

Simplify.

$x^{4} + 4 x^{3} \cdot \frac{\sqrt{15} y}{3} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.18

Multiply $4 x^{3} \frac{\sqrt{15} y}{3}$ .

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Step 4.18.1

Combine $4$ and $\frac{\sqrt{15} y}{3}$ .

$x^{4} + x^{3} \frac{4 (\sqrt{15} y)}{3} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.18.2

Combine $x^{3}$ and $\frac{4 (\sqrt{15} y)}{3}$ .

$x^{4} + \frac{x^{3} (4 (\sqrt{15} y))}{3} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.19

Move $4$ to the left of $x^{3}$ .

$x^{4} + \frac{4 \cdot x^{3} \sqrt{15} y}{3} + 6 \cdot {(x)}^{2} \cdot {(\sqrt{\frac{5}{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.20

Rewrite $\sqrt{\frac{5}{3}}$ as $\frac{\sqrt{5}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5}}{\sqrt{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.21

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22

Combine and simplify the denominator.

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Step 4.22.1

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{\sqrt{3} \sqrt{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.2

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} \sqrt{3}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.3

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} {\sqrt{3}}^{1}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1 + 1}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.5

Add $1$ and $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{2}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.6

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 4.22.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{{(3^{\frac{1}{2}})}^{2}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{1}{2} \cdot 2}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.6.3

Combine $\frac{1}{2}$ and $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.6.4

Cancel the common factor of $2$ .

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Step 4.22.6.4.1

Cancel the common factor.

Step 4.22.6.4.2

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{1}} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.22.6.5

Evaluate the exponent.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5} \sqrt{3}}{3} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.23

Simplify the numerator.

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Step 4.23.1

Combine using the product rule for radicals.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{5 \cdot 3}}{3} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.23.2

Multiply $5$ by $3$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{15}}{3} y)}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.24

Combine $\frac{\sqrt{15}}{3}$ and $y$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot {(\frac{\sqrt{15} y}{3})}^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.25

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 4.25.1

Apply the product rule to $\frac{\sqrt{15} y}{3}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{{(\sqrt{15} y)}^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.25.2

Apply the product rule to $\sqrt{15} y$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{{\sqrt{15}}^{2} y^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.26

Rewrite ${\sqrt{15}}^{2}$ as $15$ .

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Step 4.26.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{15}$ as $15^{\frac{1}{2}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{{(15^{\frac{1}{2}})}^{2} y^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.26.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{15^{\frac{1}{2} \cdot 2} y^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.26.3

Combine $\frac{1}{2}$ and $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{15^{\frac{2}{2}} y^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.26.4

Cancel the common factor of $2$ .

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Step 4.26.4.1

Cancel the common factor.

Step 4.26.4.2

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{15^{1} y^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.26.5

Evaluate the exponent.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{15 y^{2}}{3^{2}} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.27

Raise $3$ to the power of $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 6 x^{2} \cdot \frac{15 y^{2}}{9} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.28

Cancel the common factor of $3$ .

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Step 4.28.1

Factor $3$ out of $6 x^{2}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 3 (2 x^{2}) \cdot \frac{15 y^{2}}{9} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.28.2

Factor $3$ out of $9$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 3 (2 x^{2}) \cdot \frac{15 y^{2}}{3 (3)} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.28.3

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 3 (2 x^{2}) \cdot \frac{15 y^{2}}{3 \cdot 3} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.28.4

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 2 x^{2} \cdot \frac{15 y^{2}}{3} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.29

Combine $2$ and $\frac{15 y^{2}}{3}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + x^{2} \cdot \frac{2 (15 y^{2})}{3} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.30

Multiply $15$ by $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + x^{2} \cdot \frac{30 y^{2}}{3} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.31

Combine $x^{2}$ and $\frac{30 y^{2}}{3}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + \frac{x^{2} (30 y^{2})}{3} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.32

Cancel the common factor of $30$ and $3$ .

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Step 4.32.1

Factor $3$ out of $x^{2} (30 y^{2})$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + \frac{3 (x^{2} (10 y^{2}))}{3} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.32.2

Cancel the common factors.

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Step 4.32.2.1

Factor $3$ out of $3$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + \frac{3 (x^{2} (10 y^{2}))}{3 (1)} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.32.2.2

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + \frac{3 (x^{2} (10 y^{2}))}{3 \cdot 1} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.32.2.3

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + \frac{x^{2} (10 y^{2})}{1} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.32.2.4

Divide $x^{2} (10 y^{2})$ by $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + x^{2} (10 y^{2}) + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.33

Rewrite using the commutative property of multiplication.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 \cdot {(x)}^{1} \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.34

Simplify.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 \cdot x \cdot {(\sqrt{\frac{5}{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.35

Rewrite $\sqrt{\frac{5}{3}}$ as $\frac{\sqrt{5}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5}}{\sqrt{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.36

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37

Combine and simplify the denominator.

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Step 4.37.1

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{\sqrt{3} \sqrt{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.2

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} \sqrt{3}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.3

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} {\sqrt{3}}^{1}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1 + 1}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.5

Add $1$ and $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{2}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.6

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 4.37.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{{(3^{\frac{1}{2}})}^{2}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{1}{2} \cdot 2}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.6.3

Combine $\frac{1}{2}$ and $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.6.4

Cancel the common factor of $2$ .

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Step 4.37.6.4.1

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.6.4.2

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{3^{1}} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.37.6.5

Evaluate the exponent.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5} \sqrt{3}}{3} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.38

Simplify the numerator.

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Step 4.38.1

Combine using the product rule for radicals.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{5 \cdot 3}}{3} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.38.2

Multiply $5$ by $3$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{15}}{3} y)}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.39

Combine $\frac{\sqrt{15}}{3}$ and $y$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot {(\frac{\sqrt{15} y}{3})}^{3} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.40

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 4.40.1

Apply the product rule to $\frac{\sqrt{15} y}{3}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{{(\sqrt{15} y)}^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.40.2

Apply the product rule to $\sqrt{15} y$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{{\sqrt{15}}^{3} y^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.41

Simplify the numerator.

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Step 4.41.1

Rewrite ${\sqrt{15}}^{3}$ as $\sqrt{15^{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{\sqrt{15^{3}} y^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.41.2

Raise $15$ to the power of $3$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{\sqrt{3375} y^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.41.3

Rewrite $3375$ as $15^{2} \cdot 15$ .

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Step 4.41.3.1

Factor $225$ out of $3375$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{\sqrt{225 (15)} y^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.41.3.2

Rewrite $225$ as $15^{2}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{\sqrt{15^{2} \cdot 15} y^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.41.4

Pull terms out from under the radical.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{15 \sqrt{15} y^{3}}{3^{3}} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.42

Raise $3$ to the power of $3$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{15 \sqrt{15} y^{3}}{27} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.43

Cancel the common factor of $15$ and $27$ .

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Step 4.43.1

Factor $3$ out of $15 \sqrt{15} y^{3}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{3 (5 \sqrt{15} y^{3})}{27} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.43.2

Cancel the common factors.

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Step 4.43.2.1

Factor $3$ out of $27$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{3 (5 \sqrt{15} y^{3})}{3 (9)} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.43.2.2

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{3 (5 \sqrt{15} y^{3})}{3 \cdot 9} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.43.2.3

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + 4 x \cdot \frac{5 \sqrt{15} y^{3}}{9} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.44

Multiply $4 x \frac{5 \sqrt{15} y^{3}}{9}$ .

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Step 4.44.1

Combine $4$ and $\frac{5 \sqrt{15} y^{3}}{9}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + x \frac{4 (5 \sqrt{15} y^{3})}{9} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.44.2

Multiply $5$ by $4$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + x \frac{20 (\sqrt{15} y^{3})}{9} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.44.3

Combine $x$ and $\frac{20 (\sqrt{15} y^{3})}{9}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{x (20 (\sqrt{15} y^{3}))}{9} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.45

Move $20$ to the left of $x$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 \cdot x \sqrt{15} y^{3}}{9} + 1 \cdot {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.46

Multiply ${(x)}^{0}$ by $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(x)}^{0} \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.47

Anything raised to $0$ is $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + 1 \cdot {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.48

Multiply ${(\sqrt{\frac{5}{3}} y)}^{4}$ by $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\sqrt{\frac{5}{3}} y)}^{4}$

Step 4.49

Rewrite $\sqrt{\frac{5}{3}}$ as $\frac{\sqrt{5}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5}}{\sqrt{3}} y)}^{4}$

Step 4.50

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5}}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}} y)}^{4}$

Step 4.51

Combine and simplify the denominator.

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Step 4.51.1

Multiply $\frac{\sqrt{5}}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{\sqrt{3} \sqrt{3}} y)}^{4}$

Step 4.51.2

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} \sqrt{3}} y)}^{4}$

Step 4.51.3

Raise $\sqrt{3}$ to the power of $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1} {\sqrt{3}}^{1}} y)}^{4}$

Step 4.51.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{1 + 1}} y)}^{4}$

Step 4.51.5

Add $1$ and $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{{\sqrt{3}}^{2}} y)}^{4}$

Step 4.51.6

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 4.51.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{{(3^{\frac{1}{2}})}^{2}} y)}^{4}$

Step 4.51.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{1}{2} \cdot 2}} y)}^{4}$

Step 4.51.6.3

Combine $\frac{1}{2}$ and $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{4}$

Step 4.51.6.4

Cancel the common factor of $2$ .

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Step 4.51.6.4.1

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{3^{\frac{2}{2}}} y)}^{4}$

Step 4.51.6.4.2

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{3^{1}} y)}^{4}$

Step 4.51.6.5

Evaluate the exponent.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5} \sqrt{3}}{3} y)}^{4}$

Step 4.52

Simplify the numerator.

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Step 4.52.1

Combine using the product rule for radicals.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{5 \cdot 3}}{3} y)}^{4}$

Step 4.52.2

Multiply $5$ by $3$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{15}}{3} y)}^{4}$

Step 4.53

Combine $\frac{\sqrt{15}}{3}$ and $y$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + {(\frac{\sqrt{15} y}{3})}^{4}$

Step 4.54

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 4.54.1

Apply the product rule to $\frac{\sqrt{15} y}{3}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{{(\sqrt{15} y)}^{4}}{3^{4}}$

Step 4.54.2

Apply the product rule to $\sqrt{15} y$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{{\sqrt{15}}^{4} y^{4}}{3^{4}}$

Step 4.55

Simplify the numerator.

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Step 4.55.1

Rewrite ${\sqrt{15}}^{4}$ as $15^{2}$ .

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Step 4.55.1.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{15}$ as $15^{\frac{1}{2}}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{{(15^{\frac{1}{2}})}^{4} y^{4}}{3^{4}}$

Step 4.55.1.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{\frac{1}{2} \cdot 4} y^{4}}{3^{4}}$

Step 4.55.1.3

Combine $\frac{1}{2}$ and $4$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{\frac{4}{2}} y^{4}}{3^{4}}$

Step 4.55.1.4

Cancel the common factor of $4$ and $2$ .

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Step 4.55.1.4.1

Factor $2$ out of $4$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{\frac{2 \cdot 2}{2}} y^{4}}{3^{4}}$

Step 4.55.1.4.2

Cancel the common factors.

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Step 4.55.1.4.2.1

Factor $2$ out of $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{\frac{2 \cdot 2}{2 (1)}} y^{4}}{3^{4}}$

Step 4.55.1.4.2.2

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{\frac{2 \cdot 2}{2 \cdot 1}} y^{4}}{3^{4}}$

Step 4.55.1.4.2.3

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{\frac{2}{1}} y^{4}}{3^{4}}$

Step 4.55.1.4.2.4

Divide $2$ by $1$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{15^{2} y^{4}}{3^{4}}$

Step 4.55.2

Raise $15$ to the power of $2$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{225 y^{4}}{3^{4}}$

Step 4.56

Raise $3$ to the power of $4$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{225 y^{4}}{81}$

Step 4.57

Cancel the common factor of $225$ and $81$ .

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Step 4.57.1

Factor $9$ out of $225 y^{4}$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{9 (25 y^{4})}{81}$

Step 4.57.2

Cancel the common factors.

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Step 4.57.2.1

Factor $9$ out of $81$ .

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{9 (25 y^{4})}{9 (9)}$

Step 4.57.2.2

Cancel the common factor.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{9 (25 y^{4})}{9 \cdot 9}$

Step 4.57.2.3

Rewrite the expression.

$x^{4} + \frac{4 x^{3} \sqrt{15} y}{3} + 10 x^{2} y^{2} + \frac{20 x \sqrt{15} y^{3}}{9} + \frac{25 y^{4}}{9}$