Algebra Examples

$\frac{{(x + 2)}^{5} - 32}{x}$

Step 1

Use the Binomial Theorem.

$\frac{x^{5} + 5 x^{4} \cdot 2 + 10 x^{3} \cdot 2^{2} + 10 x^{2} \cdot 2^{3} + 5 x \cdot 2^{4} + 2^{5} - 32}{x}$

Step 2

Simplify each term.

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Step 2.1

Multiply $2$ by $5$ .

$\frac{x^{5} + 10 x^{4} + 10 x^{3} \cdot 2^{2} + 10 x^{2} \cdot 2^{3} + 5 x \cdot 2^{4} + 2^{5} - 32}{x}$

Step 2.2

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

$\frac{x^{5} + 10 x^{4} + 10 x^{3} \cdot 4 + 10 x^{2} \cdot 2^{3} + 5 x \cdot 2^{4} + 2^{5} - 32}{x}$

Step 2.3

Multiply $4$ by $10$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 10 x^{2} \cdot 2^{3} + 5 x \cdot 2^{4} + 2^{5} - 32}{x}$

Step 2.4

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

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 10 x^{2} \cdot 8 + 5 x \cdot 2^{4} + 2^{5} - 32}{x}$

Step 2.5

Multiply $8$ by $10$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 5 x \cdot 2^{4} + 2^{5} - 32}{x}$

Step 2.6

Raise $2$ to the power of $4$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 5 x \cdot 16 + 2^{5} - 32}{x}$

Step 2.7

Multiply $16$ by $5$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x + 2^{5} - 32}{x}$

Step 2.8

Raise $2$ to the power of $5$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x + 32 - 32}{x}$

Step 3

Subtract $32$ from $32$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x + 0}{x}$

Step 4

Add $x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x$ and $0$ .

$\frac{x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x}{x}$

Step 5

Factor $x$ out of $x^{5} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x$ .

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Step 5.1

Factor $x$ out of $x^{5}$ .

$\frac{x \cdot x^{4} + 10 x^{4} + 40 x^{3} + 80 x^{2} + 80 x}{x}$

Step 5.2

Factor $x$ out of $10 x^{4}$ .

$\frac{x \cdot x^{4} + x (10 x^{3}) + 40 x^{3} + 80 x^{2} + 80 x}{x}$

Step 5.3

Factor $x$ out of $40 x^{3}$ .

$\frac{x \cdot x^{4} + x (10 x^{3}) + x (40 x^{2}) + 80 x^{2} + 80 x}{x}$

Step 5.4

Factor $x$ out of $80 x^{2}$ .

$\frac{x \cdot x^{4} + x (10 x^{3}) + x (40 x^{2}) + x (80 x) + 80 x}{x}$

Step 5.5

Factor $x$ out of $80 x$ .

$\frac{x \cdot x^{4} + x (10 x^{3}) + x (40 x^{2}) + x (80 x) + x \cdot 80}{x}$

Step 5.6

Factor $x$ out of $x \cdot x^{4} + x (10 x^{3})$ .

$\frac{x (x^{4} + 10 x^{3}) + x (40 x^{2}) + x (80 x) + x \cdot 80}{x}$

Step 5.7

Factor $x$ out of $x (x^{4} + 10 x^{3}) + x (40 x^{2})$ .

$\frac{x (x^{4} + 10 x^{3} + 40 x^{2}) + x (80 x) + x \cdot 80}{x}$

Step 5.8

Factor $x$ out of $x (x^{4} + 10 x^{3} + 40 x^{2}) + x (80 x)$ .

$\frac{x (x^{4} + 10 x^{3} + 40 x^{2} + 80 x) + x \cdot 80}{x}$

Step 5.9

Factor $x$ out of $x (x^{4} + 10 x^{3} + 40 x^{2} + 80 x) + x \cdot 80$ .

$\frac{x (x^{4} + 10 x^{3} + 40 x^{2} + 80 x + 80)}{x}$

Step 6

Reduce the expression by cancelling the common factors.

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Step 6.1

Reduce the expression $\frac{x (x^{4} + 10 x^{3} + 40 x^{2} + 80 x + 80)}{x}$ by cancelling the common factors.

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Step 6.1.1

Cancel the common factor.

$\frac{x (x^{4} + 10 x^{3} + 40 x^{2} + 80 x + 80)}{x}$

Step 6.1.2

Rewrite the expression.

$\frac{x^{4} + 10 x^{3} + 40 x^{2} + 80 x + 80}{1}$

Step 6.2

Divide $x^{4} + 10 x^{3} + 40 x^{2} + 80 x + 80$ by $1$ .

$x^{4} + 10 x^{3} + 40 x^{2} + 80 x + 80$