Algebra Examples

$\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}} = \frac{5 y^{c} \sqrt{2 y}}{d x}$

Step 1

Rewrite the equation as $\frac{5 y^{c} \sqrt{2 y}}{d x} = \sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}}$ .

$\frac{5 y^{c} \sqrt{2 y}}{d x} = \sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}}$

Step 2

Take the natural logarithm of both sides of the equation to remove the variable from the exponent.

$\ln (\frac{5 y^{c} \sqrt{2 y}}{d x}) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3

Expand the left side.

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Step 3.1

Rewrite $\ln (\frac{5 y^{c} \sqrt{2 y}}{d x})$ as $\ln (5 y^{c} \sqrt{2 y}) - \ln (d x)$ .

$\ln (5 y^{c} \sqrt{2 y}) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.2

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

$\ln (5 y^{c} {(2 y)}^{\frac{1}{2}}) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.3

Rewrite $\ln (5 y^{c} {(2 y)}^{\frac{1}{2}})$ as $\ln (5 y^{c}) + \ln ({(2 y)}^{\frac{1}{2}})$ .

$\ln (5 y^{c}) + \ln ({(2 y)}^{\frac{1}{2}}) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.4

Rewrite $\ln (5 y^{c})$ as $\ln (5) + \ln (y^{c})$ .

$\ln (5) + \ln (y^{c}) + \ln ({(2 y)}^{\frac{1}{2}}) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.5

Expand $\ln (y^{c})$ by moving $c$ outside the logarithm.

$\ln (5) + c \ln (y) + \ln ({(2 y)}^{\frac{1}{2}}) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.6

Expand $\ln ({(2 y)}^{\frac{1}{2}})$ by moving $\frac{1}{2}$ outside the logarithm.

$\ln (5) + c \ln (y) + \frac{1}{2} \ln (2 y) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.7

Rewrite $\ln (2 y)$ as $\ln (2) + \ln (y)$ .

$\ln (5) + c \ln (y) + \frac{1}{2} (\ln (2) + \ln (y)) - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 3.8

Rewrite $\ln (d x)$ as $\ln (d) + \ln (x)$ .

$\ln (5) + c \ln (y) + \frac{1}{2} (\ln (2) + \ln (y)) - (\ln (d) + \ln (x)) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 4

Simplify the left side.

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Step 4.1

Simplify $\ln (5) + c \ln (y) + \frac{1}{2} (\ln (2) + \ln (y)) - (\ln (d) + \ln (x))$ .

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Step 4.1.1

Simplify each term.

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Step 4.1.1.1

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\ln (5) + c \ln (y) + \frac{1}{2} \ln (2 y) - (\ln (d) + \ln (x)) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 4.1.1.2

Combine $\frac{1}{2}$ and $\ln (2 y)$ .

$\ln (5) + c \ln (y) + \frac{\ln (2 y)}{2} - (\ln (d) + \ln (x)) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 4.1.1.3

Use the product property of logarithms, $\log_{b} (x) + \log_{b} (y) = \log_{b} (x y)$ .

$\ln (5) + c \ln (y) + \frac{\ln (2 y)}{2} - \ln (d x) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 4.1.2

Use the quotient property of logarithms, $\log_{b} (x) - \log_{b} (y) = \log_{b} (\frac{x}{y})$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$

Step 5

Simplify the right side.

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Step 5.1

Simplify $\ln (\sqrt{\frac{50 x^{6} y^{3}}{9 x^{8}}})$ .

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Step 5.1.1

Reduce the expression $\frac{50 x^{6} y^{3}}{9 x^{8}}$ by cancelling the common factors.

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Step 5.1.1.1

Factor $x^{6}$ out of $50 x^{6} y^{3}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{x^{6} (50 y^{3})}{9 x^{8}}})$

Step 5.1.1.2

Factor $x^{6}$ out of $9 x^{8}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{x^{6} (50 y^{3})}{x^{6} (9 x^{2})}})$

Step 5.1.1.3

Cancel the common factor.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{x^{6} (50 y^{3})}{x^{6} (9 x^{2})}})$

Step 5.1.1.4

Rewrite the expression.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{50 y^{3}}{9 x^{2}}})$

Step 5.1.2

Rewrite $\frac{50 y^{3}}{9 x^{2}}$ as ${(\frac{5 y}{3 x})}^{2} (2 y)$ .

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Step 5.1.2.1

Factor the perfect power ${(5 y)}^{2}$ out of $50 y^{3}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{{(5 y)}^{2} \cdot (2 y)}{9 x^{2}}})$

Step 5.1.2.2

Factor the perfect power ${(3 x)}^{2}$ out of $9 x^{2}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{\frac{{(5 y)}^{2} \cdot (2 y)}{{(3 x)}^{2} \cdot 1}})$

Step 5.1.2.3

Rearrange the fraction $\frac{{(5 y)}^{2} \cdot (2 y)}{{(3 x)}^{2} \cdot 1}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\sqrt{{(\frac{5 y}{3 x})}^{2} (2 y)})$

Step 5.1.3

Pull terms out from under the radical.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\frac{5 y}{3 x} \sqrt{2 y})$

Step 5.1.4

Combine $\frac{5 y}{3 x}$ and $\sqrt{2 y}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) = \ln (\frac{5 y \sqrt{2 y}}{3 x})$

Step 6

Move all the terms containing a logarithm to the left side of the equation.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x}) - \ln (\frac{5 y \sqrt{2 y}}{3 x}) = 0$

Step 7

Use the quotient property of logarithms, $\log_{b} (x) - \log_{b} (y) = \log_{b} (\frac{x}{y})$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{\frac{5}{d x}}{\frac{5 y \sqrt{2 y}}{3 x}}) = 0$

Step 8

Simplify each term.

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Step 8.1

Multiply the numerator by the reciprocal of the denominator.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x} \cdot \frac{3 x}{5 y \sqrt{2 y}}) = 0$

Step 8.2

Cancel the common factor of $5$ .

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Step 8.2.1

Factor $5$ out of $5 y \sqrt{2 y}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x} \cdot \frac{3 x}{5 (y \sqrt{2 y})}) = 0$

Step 8.2.2

Cancel the common factor.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{5}{d x} \cdot \frac{3 x}{5 (y \sqrt{2 y})}) = 0$

Step 8.2.3

Rewrite the expression.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{1}{d x} \cdot \frac{3 x}{y \sqrt{2 y}}) = 0$

Step 8.3

Cancel the common factor of $x$ .

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Step 8.3.1

Factor $x$ out of $d x$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{1}{x d} \cdot \frac{3 x}{y \sqrt{2 y}}) = 0$

Step 8.3.2

Factor $x$ out of $3 x$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{1}{x d} \cdot \frac{x \cdot 3}{y \sqrt{2 y}}) = 0$

Step 8.3.3

Cancel the common factor.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{1}{x d} \cdot \frac{x \cdot 3}{y \sqrt{2 y}}) = 0$

Step 8.3.4

Rewrite the expression.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{1}{d} \cdot \frac{3}{y \sqrt{2 y}}) = 0$

Step 8.4

Multiply $\frac{1}{d}$ by $\frac{3}{y \sqrt{2 y}}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3}{d (y \sqrt{2 y})}) = 0$

Step 8.5

Multiply $\frac{3}{d y \sqrt{2 y}}$ by $\frac{\sqrt{2 y}}{\sqrt{2 y}}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3}{d y \sqrt{2 y}} \cdot \frac{\sqrt{2 y}}{\sqrt{2 y}}) = 0$

Step 8.6

Combine and simplify the denominator.

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Step 8.6.1

Multiply $\frac{3}{d y \sqrt{2 y}}$ by $\frac{\sqrt{2 y}}{\sqrt{2 y}}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y \sqrt{2 y} \sqrt{2 y}}) = 0$

Step 8.6.2

Move $\sqrt{2 y}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y (\sqrt{2 y} \sqrt{2 y})}) = 0$

Step 8.6.3

Raise $\sqrt{2 y}$ to the power of $1$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y (\sqrt{2 y} \sqrt{2 y})}) = 0$

Step 8.6.4

Raise $\sqrt{2 y}$ to the power of $1$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y (\sqrt{2 y} \sqrt{2 y})}) = 0$

Step 8.6.5

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

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y {\sqrt{2 y}}^{1 + 1}}) = 0$

Step 8.6.6

Add $1$ and $1$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y {\sqrt{2 y}}^{2}}) = 0$

Step 8.6.7

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

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Step 8.6.7.1

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

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y {({(2 y)}^{\frac{1}{2}})}^{2}}) = 0$

Step 8.6.7.2

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

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y {(2 y)}^{\frac{1}{2} \cdot 2}}) = 0$

Step 8.6.7.3

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

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y {(2 y)}^{\frac{2}{2}}}) = 0$

Step 8.6.7.4

Cancel the common factor of $2$ .

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Step 8.6.7.4.1

Cancel the common factor.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y {(2 y)}^{\frac{2}{2}}}) = 0$

Step 8.6.7.4.2

Rewrite the expression.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y (2 y)}) = 0$

Step 8.6.7.5

Simplify.

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y (2 y)}) = 0$

Step 8.7

Multiply $y$ by $y$ by adding the exponents.

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Step 8.7.1

Move $y$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d (y \cdot y) \cdot 2}) = 0$

Step 8.7.2

Multiply $y$ by $y$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{d y^{2} \cdot 2}) = 0$

Step 8.8

Move $2$ to the left of $d y^{2}$ .

$c \ln (y) + \frac{\ln (2 y)}{2} + \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}}) = 0$

Step 9

Move all terms not containing $c$ to the right side of the equation.

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Step 9.1

Subtract $\frac{\ln (2 y)}{2}$ from both sides of the equation.

$c \ln (y) + \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}}) = - \frac{\ln (2 y)}{2}$

Step 9.2

Subtract $\ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})$ from both sides of the equation.

$c \ln (y) = - \frac{\ln (2 y)}{2} - \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})$

Step 10

Divide each term in $c \ln (y) = - \frac{\ln (2 y)}{2} - \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})$ by $\ln (y)$ and simplify.

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Step 10.1

Divide each term in $c \ln (y) = - \frac{\ln (2 y)}{2} - \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})$ by $\ln (y)$ .

$\frac{c \ln (y)}{\ln (y)} = \frac{- \frac{\ln (2 y)}{2}}{\ln (y)} + \frac{- \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$

Step 10.2

Simplify the left side.

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Step 10.2.1

Cancel the common factor of $\ln (y)$ .

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Step 10.2.1.1

Cancel the common factor.

$\frac{c \ln (y)}{\ln (y)} = \frac{- \frac{\ln (2 y)}{2}}{\ln (y)} + \frac{- \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$

Step 10.2.1.2

Divide $c$ by $1$ .

$c = \frac{- \frac{\ln (2 y)}{2}}{\ln (y)} + \frac{- \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$

Step 10.3

Simplify the right side.

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Step 10.3.1

Simplify each term.

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Step 10.3.1.1

Multiply the numerator by the reciprocal of the denominator.

$c = - \frac{\ln (2 y)}{2} \cdot \frac{1}{\ln (y)} + \frac{- \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$

Step 10.3.1.2

Multiply $\frac{1}{\ln (y)}$ by $\frac{\ln (2 y)}{2}$ .

$c = - \frac{\ln (2 y)}{\ln (y) \cdot 2} + \frac{- \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$

Step 10.3.1.3

Move $2$ to the left of $\ln (y)$ .

$c = - \frac{\ln (2 y)}{2 \cdot \ln (y)} + \frac{- \ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$

Step 10.3.1.4

Move the negative in front of the fraction.

$c = - \frac{\ln (2 y)}{2 \ln (y)} - \frac{\ln (\frac{3 \sqrt{2 y}}{2 d y^{2}})}{\ln (y)}$