Calculus Examples

$x^{4} y^{2} - x^{3} y + 2 x y^{3} = 0$

Step 1

Differentiate both sides of the equation.

$\frac{d}{d y} (x^{4} y^{2} - x^{3} y + 2 x y^{3}) = \frac{d}{d y} (0)$

Step 2

Differentiate the left side of the equation.

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Step 2.1

By the Sum Rule, the derivative of $x^{4} y^{2} - x^{3} y + 2 x y^{3}$ with respect to $y$ is $\frac{d}{d y} [x^{4} y^{2}] + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$ .

$\frac{d}{d y} [x^{4} y^{2}] + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2

Evaluate $\frac{d}{d y} [x^{4} y^{2}]$ .

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Step 2.2.1

Differentiate using the Product Rule which states that $\frac{d}{d y} [f (y) g (y)]$ is $f (y) \frac{d}{d y} [g (y)] + g (y) \frac{d}{d y} [f (y)]$ where $f (y) = x^{4}$ and $g (y) = y^{2}$ .

$x^{4} \frac{d}{d y} [y^{2}] + y^{2} \frac{d}{d y} [x^{4}] + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.2

Differentiate using the Power Rule which states that $\frac{d}{d y} [y^{n}]$ is $n y^{n - 1}$ where $n = 2$ .

$x^{4} (2 y) + y^{2} \frac{d}{d y} [x^{4}] + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.3

Differentiate using the chain rule, which states that $\frac{d}{d y} [f (g (y))]$ is $f' (g (y)) g' (y)$ where $f (y) = y^{4}$ and $g (y) = x$ .

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Step 2.2.3.1

To apply the Chain Rule, set $u_{1}$ as $x$ .

$x^{4} (2 y) + y^{2} (\frac{d}{d u_{1}} [{u_{1}}^{4}] \frac{d}{d y} [x]) + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.3.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ is $n {u_{1}}^{n - 1}$ where $n = 4$ .

$x^{4} (2 y) + y^{2} (4 {u_{1}}^{3} \frac{d}{d y} [x]) + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.3.3

Replace all occurrences of $u_{1}$ with $x$ .

$x^{4} (2 y) + y^{2} (4 x^{3} \frac{d}{d y} [x]) + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.4

Rewrite $\frac{d}{d y} [x]$ as $x'$ .

$x^{4} (2 y) + y^{2} (4 x^{3} x') + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.5

Move $2$ to the left of $x^{4}$ .

$2 \cdot x^{4} y + y^{2} (4 x^{3} x') + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.2.6

Move $4$ to the left of $y^{2}$ .

$2 x^{4} y + 4 y^{2} x^{3} x' + \frac{d}{d y} [- x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.3

Evaluate $\frac{d}{d y} [- x^{3} y]$ .

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Step 2.3.1

Since $- 1$ is constant with respect to $y$ , the derivative of $- x^{3} y$ with respect to $y$ is $- \frac{d}{d y} [x^{3} y]$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - \frac{d}{d y} [x^{3} y] + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.2

Differentiate using the Product Rule which states that $\frac{d}{d y} [f (y) g (y)]$ is $f (y) \frac{d}{d y} [g (y)] + g (y) \frac{d}{d y} [f (y)]$ where $f (y) = x^{3}$ and $g (y) = y$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} \frac{d}{d y} [y] + y \frac{d}{d y} [x^{3}]) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.3

Differentiate using the Power Rule which states that $\frac{d}{d y} [y^{n}]$ is $n y^{n - 1}$ where $n = 1$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} \cdot 1 + y \frac{d}{d y} [x^{3}]) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.4

Differentiate using the chain rule, which states that $\frac{d}{d y} [f (g (y))]$ is $f' (g (y)) g' (y)$ where $f (y) = y^{3}$ and $g (y) = x$ .

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Step 2.3.4.1

To apply the Chain Rule, set $u_{2}$ as $x$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} \cdot 1 + y (\frac{d}{d u_{2}} [{u_{2}}^{3}] \frac{d}{d y} [x])) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.4.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{2}} [{u_{2}}^{n}]$ is $n {u_{2}}^{n - 1}$ where $n = 3$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} \cdot 1 + y (3 {u_{2}}^{2} \frac{d}{d y} [x])) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.4.3

Replace all occurrences of $u_{2}$ with $x$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} \cdot 1 + y (3 x^{2} \frac{d}{d y} [x])) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.5

Rewrite $\frac{d}{d y} [x]$ as $x'$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} \cdot 1 + y (3 x^{2} x')) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.6

Multiply $x^{3}$ by $1$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + y (3 x^{2} x')) + \frac{d}{d y} [2 x y^{3}]$

Step 2.3.7

Move $3$ to the left of $y$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + 3 y x^{2} x') + \frac{d}{d y} [2 x y^{3}]$

Step 2.4

Evaluate $\frac{d}{d y} [2 x y^{3}]$ .

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Step 2.4.1

Since $2$ is constant with respect to $y$ , the derivative of $2 x y^{3}$ with respect to $y$ is $2 \frac{d}{d y} [x y^{3}]$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + 3 y x^{2} x') + 2 \frac{d}{d y} [x y^{3}]$

Step 2.4.2

Differentiate using the Product Rule which states that $\frac{d}{d y} [f (y) g (y)]$ is $f (y) \frac{d}{d y} [g (y)] + g (y) \frac{d}{d y} [f (y)]$ where $f (y) = x$ and $g (y) = y^{3}$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + 3 y x^{2} x') + 2 (x \frac{d}{d y} [y^{3}] + y^{3} \frac{d}{d y} [x])$

Step 2.4.3

Differentiate using the Power Rule which states that $\frac{d}{d y} [y^{n}]$ is $n y^{n - 1}$ where $n = 3$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + 3 y x^{2} x') + 2 (x (3 y^{2}) + y^{3} \frac{d}{d y} [x])$

Step 2.4.4

Rewrite $\frac{d}{d y} [x]$ as $x'$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + 3 y x^{2} x') + 2 (x (3 y^{2}) + y^{3} x')$

Step 2.4.5

Move $3$ to the left of $x$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - (x^{3} + 3 y x^{2} x') + 2 (3 x y^{2} + y^{3} x')$

Step 2.5

Simplify.

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Step 2.5.1

Apply the distributive property.

$2 x^{4} y + 4 y^{2} x^{3} x' - x^{3} - (3 y x^{2} x') + 2 (3 x y^{2} + y^{3} x')$

Step 2.5.2

Apply the distributive property.

$2 x^{4} y + 4 y^{2} x^{3} x' - x^{3} - (3 y x^{2} x') + 2 (3 x y^{2}) + 2 (y^{3} x')$

Step 2.5.3

Combine terms.

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Step 2.5.3.1

Multiply $3$ by $- 1$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - x^{3} - 3 (y x^{2} x') + 2 (3 x y^{2}) + 2 (y^{3} x')$

Step 2.5.3.2

Multiply $3$ by $2$ .

$2 x^{4} y + 4 y^{2} x^{3} x' - x^{3} - 3 y x^{2} x' + 6 x y^{2} + 2 y^{3} x'$

Step 2.5.4

Reorder terms.

$- x^{3} + 2 x^{4} y + 4 x^{3} y^{2} x' - 3 x^{2} y x' + 6 y^{2} x + 2 y^{3} x'$

Step 3

Since $0$ is constant with respect to $y$ , the derivative of $0$ with respect to $y$ is $0$ .

$0$

Step 4

Reform the equation by setting the left side equal to the right side.

$- x^{3} + 2 x^{4} y + 4 x^{3} y^{2} x' - 3 x^{2} y x' + 6 y^{2} x + 2 y^{3} x' = 0$

Step 5

Solve for $x'$ .

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Step 5.1

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

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Step 5.1.1

Add $x^{3}$ to both sides of the equation.

$2 x^{4} y + 4 x^{3} y^{2} x' - 3 x^{2} y x' + 6 y^{2} x + 2 y^{3} x' = x^{3}$

Step 5.1.2

Subtract $2 x^{4} y$ from both sides of the equation.

$4 x^{3} y^{2} x' - 3 x^{2} y x' + 6 y^{2} x + 2 y^{3} x' = x^{3} - 2 x^{4} y$

Step 5.1.3

Subtract $6 y^{2} x$ from both sides of the equation.

$4 x^{3} y^{2} x' - 3 x^{2} y x' + 2 y^{3} x' = x^{3} - 2 x^{4} y - 6 y^{2} x$

Step 5.2

Factor $y x'$ out of $4 x^{3} y^{2} x' - 3 x^{2} y x' + 2 y^{3} x'$ .

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Step 5.2.1

Factor $y x'$ out of $4 x^{3} y^{2} x'$ .

$y x' (4 x^{3} y) - 3 x^{2} y x' + 2 y^{3} x' = x^{3} - 2 x^{4} y - 6 y^{2} x$

Step 5.2.2

Factor $y x'$ out of $- 3 x^{2} y x'$ .

$y x' (4 x^{3} y) + y x' (- 3 x^{2}) + 2 y^{3} x' = x^{3} - 2 x^{4} y - 6 y^{2} x$

Step 5.2.3

Factor $y x'$ out of $2 y^{3} x'$ .

$y x' (4 x^{3} y) + y x' (- 3 x^{2}) + y x' (2 y^{2}) = x^{3} - 2 x^{4} y - 6 y^{2} x$

Step 5.2.4

Factor $y x'$ out of $y x' (4 x^{3} y) + y x' (- 3 x^{2})$ .

$y x' (4 x^{3} y - 3 x^{2}) + y x' (2 y^{2}) = x^{3} - 2 x^{4} y - 6 y^{2} x$

Step 5.2.5

Factor $y x'$ out of $y x' (4 x^{3} y - 3 x^{2}) + y x' (2 y^{2})$ .

$y x' (4 x^{3} y - 3 x^{2} + 2 y^{2}) = x^{3} - 2 x^{4} y - 6 y^{2} x$

Step 5.3

Divide each term in $y x' (4 x^{3} y - 3 x^{2} + 2 y^{2}) = x^{3} - 2 x^{4} y - 6 y^{2} x$ by $y (4 x^{3} y - 3 x^{2} + 2 y^{2})$ and simplify.

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Step 5.3.1

Divide each term in $y x' (4 x^{3} y - 3 x^{2} + 2 y^{2}) = x^{3} - 2 x^{4} y - 6 y^{2} x$ by $y (4 x^{3} y - 3 x^{2} + 2 y^{2})$ .

$\frac{y x' (4 x^{3} y - 3 x^{2} + 2 y^{2})}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 6 y^{2} x}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.2

Simplify the left side.

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Step 5.3.2.1

Cancel the common factor of $y$ .

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Step 5.3.2.1.1

Cancel the common factor.

Step 5.3.2.1.2

Rewrite the expression.

$\frac{x' (4 x^{3} y - 3 x^{2} + 2 y^{2})}{4 x^{3} y - 3 x^{2} + 2 y^{2}} = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 6 y^{2} x}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.2.2

Cancel the common factor of $4 x^{3} y - 3 x^{2} + 2 y^{2}$ .

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Step 5.3.2.2.1

Cancel the common factor.

Step 5.3.2.2.2

Divide $x'$ by $1$ .

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 6 y^{2} x}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3

Simplify the right side.

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Step 5.3.3.1

Simplify each term.

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Step 5.3.3.1.1

Cancel the common factor of $y$ .

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Step 5.3.3.1.1.1

Cancel the common factor.

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 6 y^{2} x}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.1.1.2

Rewrite the expression.

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} + \frac{- 2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} + \frac{- 6 y^{2} x}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.1.2

Move the negative in front of the fraction.

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} + \frac{- 6 y^{2} x}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.1.3

Cancel the common factor of $y^{2}$ and $y$ .

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Step 5.3.3.1.3.1

Factor $y$ out of $- 6 y^{2} x$ .

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} + \frac{y (- 6 y x)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.1.3.2

Cancel the common factors.

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Step 5.3.3.1.3.2.1

Cancel the common factor.

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} + \frac{y (- 6 y x)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.1.3.2.2

Rewrite the expression.

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} + \frac{- 6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.1.4

Move the negative in front of the fraction.

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.2

To write $- \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$ as a fraction with a common denominator, multiply by $\frac{y}{y}$ .

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}} \cdot \frac{y}{y} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.3

Write each expression with a common denominator of $y (4 x^{3} y - 3 x^{2} + 2 y^{2})$ , by multiplying each by an appropriate factor of $1$ .

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Step 5.3.3.3.1

Multiply $\frac{2 x^{4}}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$ by $\frac{y}{y}$ .

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4} y}{(4 x^{3} y - 3 x^{2} + 2 y^{2}) y} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.3.2

Reorder the factors of $(4 x^{3} y - 3 x^{2} + 2 y^{2}) y$ .

$x' = \frac{x^{3}}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.4

Combine the numerators over the common denominator.

$x' = \frac{x^{3} - 2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.5

Factor $x^{3}$ out of $x^{3} - 2 x^{4} y$ .

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Step 5.3.3.5.1

Multiply by $1$ .

$x' = \frac{x^{3} \cdot 1 - 2 x^{4} y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.5.2

Factor $x^{3}$ out of $- 2 x^{4} y$ .

$x' = \frac{x^{3} \cdot 1 + x^{3} (- 2 x y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.5.3

Factor $x^{3}$ out of $x^{3} \cdot 1 + x^{3} (- 2 x y)$ .

$x' = \frac{x^{3} (1 - 2 x y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$

Step 5.3.3.6

To write $- \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$ as a fraction with a common denominator, multiply by $\frac{y}{y}$ .

$x' = \frac{x^{3} (1 - 2 x y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}} \cdot \frac{y}{y}$

Step 5.3.3.7

Write each expression with a common denominator of $y (4 x^{3} y - 3 x^{2} + 2 y^{2})$ , by multiplying each by an appropriate factor of $1$ .

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Step 5.3.3.7.1

Multiply $\frac{6 y x}{4 x^{3} y - 3 x^{2} + 2 y^{2}}$ by $\frac{y}{y}$ .

$x' = \frac{x^{3} (1 - 2 x y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x y}{(4 x^{3} y - 3 x^{2} + 2 y^{2}) y}$

Step 5.3.3.7.2

Reorder the factors of $(4 x^{3} y - 3 x^{2} + 2 y^{2}) y$ .

$x' = \frac{x^{3} (1 - 2 x y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})} - \frac{6 y x y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.8

Combine the numerators over the common denominator.

$x' = \frac{x^{3} (1 - 2 x y) - 6 y x y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9

Simplify the numerator.

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Step 5.3.3.9.1

Factor $x$ out of $x^{3} (1 - 2 x y) - 6 y x y$ .

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Step 5.3.3.9.1.1

Factor $x$ out of $x^{3} (1 - 2 x y)$ .

$x' = \frac{x (x^{2} (1 - 2 x y)) - 6 y x y}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.1.2

Factor $x$ out of $- 6 y x y$ .

$x' = \frac{x (x^{2} (1 - 2 x y)) + x (- 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.1.3

Factor $x$ out of $x (x^{2} (1 - 2 x y)) + x (- 6 y \cdot y)$ .

$x' = \frac{x (x^{2} (1 - 2 x y) - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.2

Apply the distributive property.

$x' = \frac{x (x^{2} \cdot 1 + x^{2} (- 2 x y) - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.3

Multiply $x^{2}$ by $1$ .

$x' = \frac{x (x^{2} + x^{2} (- 2 x y) - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.4

Rewrite using the commutative property of multiplication.

$x' = \frac{x (x^{2} - 2 x^{2} (x y) - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.5

Multiply $x^{2}$ by $x$ by adding the exponents.

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Step 5.3.3.9.5.1

Move $x$ .

$x' = \frac{x (x^{2} - 2 (x \cdot x^{2}) y - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.5.2

Multiply $x$ by $x^{2}$ .

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Step 5.3.3.9.5.2.1

Raise $x$ to the power of $1$ .

$x' = \frac{x (x^{2} - 2 (x^{1} x^{2}) y - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.5.2.2

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

$x' = \frac{x (x^{2} - 2 x^{1 + 2} y - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.5.3

Add $1$ and $2$ .

$x' = \frac{x (x^{2} - 2 x^{3} y - 6 y \cdot y)}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.6

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

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Step 5.3.3.9.6.1

Move $y$ .

$x' = \frac{x (x^{2} - 2 x^{3} y - 6 (y \cdot y))}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 5.3.3.9.6.2

Multiply $y$ by $y$ .

$x' = \frac{x (x^{2} - 2 x^{3} y - 6 y^{2})}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$

Step 6

Replace $x'$ with $\frac{d x}{d y}$ .

$\frac{d x}{d y} = \frac{x (x^{2} - 2 x^{3} y - 6 y^{2})}{y (4 x^{3} y - 3 x^{2} + 2 y^{2})}$