Calculus Examples

$x^{2} {(x - y)}^{2} = x^{2 - y^{2}}$

Step 1

Differentiate both sides of the equation.

$\frac{d}{d x} (x^{2} {(x - y)}^{2}) = \frac{d}{d x} (x^{2 - y^{2}})$

Step 2

Differentiate the left side of the equation.

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Step 2.1

Rewrite ${(x - y)}^{2}$ as $(x - y) (x - y)$ .

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

Step 2.2

Expand $(x - y) (x - y)$ using the FOIL Method.

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Step 2.2.1

Apply the distributive property.

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

Step 2.2.2

Apply the distributive property.

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

Step 2.2.3

Apply the distributive property.

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

Step 2.3

Simplify and combine like terms.

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Step 2.3.1

Simplify each term.

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Step 2.3.1.1

Multiply $x$ by $x$ .

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

Step 2.3.1.2

Rewrite using the commutative property of multiplication.

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

Step 2.3.1.3

Rewrite using the commutative property of multiplication.

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

Step 2.3.1.4

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

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Step 2.3.1.4.1

Move $y$ .

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

Step 2.3.1.4.2

Multiply $y$ by $y$ .

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

Step 2.3.1.5

Multiply $- 1$ by $- 1$ .

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

Step 2.3.1.6

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

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

Step 2.3.2

Subtract $y x$ from $- x y$ .

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Step 2.3.2.1

Move $y$ .

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

Step 2.3.2.2

Subtract $x y$ from $- x y$ .

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

Step 2.4

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

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

Step 2.5

Differentiate.

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Step 2.5.1

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

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

Step 2.5.2

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

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

Step 2.5.3

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

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

Step 2.6

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

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

Step 2.7

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

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

Step 2.8

Differentiate using the Power Rule.

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Step 2.8.1

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

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

Step 2.8.2

Multiply $y$ by $1$ .

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

Step 2.9

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{2}$ and $g (x) = y$ .

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Step 2.9.1

To apply the Chain Rule, set $u$ as $y$ .

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

Step 2.9.2

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

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

Step 2.9.3

Replace all occurrences of $u$ with $y$ .

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

Step 2.10

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

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

Step 2.11

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

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

Step 2.12

Move $2$ to the left of $x^{2} - 2 x y + y^{2}$ .

$x^{2} (2 x - 2 (x y' + y) + 2 y y') + 2 \cdot (x^{2} - 2 x y + y^{2}) x$

Step 2.13

Simplify.

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Step 2.13.1

Apply the distributive property.

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

Step 2.13.2

Apply the distributive property.

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

Step 2.13.3

Apply the distributive property.

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

Step 2.13.4

Apply the distributive property.

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

Step 2.13.5

Combine terms.

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Step 2.13.5.1

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

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Step 2.13.5.1.1

Move $x$ .

$x \cdot x^{2} \cdot 2 + x^{2} (- 2 (x y')) + x^{2} (- 2 y) + x^{2} (2 y y') + 2 x^{2} x + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.1.2

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

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Step 2.13.5.1.2.1

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

$x^{1} x^{2} \cdot 2 + x^{2} (- 2 (x y')) + x^{2} (- 2 y) + x^{2} (2 y y') + 2 x^{2} x + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.1.2.2

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

$x^{1 + 2} \cdot 2 + x^{2} (- 2 (x y')) + x^{2} (- 2 y) + x^{2} (2 y y') + 2 x^{2} x + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.1.3

Add $1$ and $2$ .

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

Step 2.13.5.2

Move $2$ to the left of $x^{3}$ .

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

Step 2.13.5.3

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

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Step 2.13.5.3.1

Move $x$ .

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

Step 2.13.5.3.2

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

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Step 2.13.5.3.2.1

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

$2 x^{3} + x^{1} x^{2} (- 2 y') + x^{2} (- 2 y) + x^{2} (2 y y') + 2 x^{2} x + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.3.2.2

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

$2 x^{3} + x^{1 + 2} (- 2 y') + x^{2} (- 2 y) + x^{2} (2 y y') + 2 x^{2} x + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.3.3

Add $1$ and $2$ .

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

Step 2.13.5.4

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

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

Step 2.13.5.5

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

$2 x^{3} + x^{3} (- 2 y') + x^{2} (- 2 y) + 2 x^{2} y y' + 2 (x^{1} x^{2}) + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.6

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

$2 x^{3} + x^{3} (- 2 y') + x^{2} (- 2 y) + 2 x^{2} y y' + 2 x^{1 + 2} + 2 (- 2 x y) x + 2 y^{2} x$

Step 2.13.5.7

Add $1$ and $2$ .

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

Step 2.13.5.8

Multiply $- 2$ by $2$ .

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

Step 2.13.5.9

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

$2 x^{3} + x^{3} (- 2 y') + x^{2} (- 2 y) + 2 x^{2} y y' + 2 x^{3} - 4 (x^{1} x) y + 2 y^{2} x$

Step 2.13.5.10

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

$2 x^{3} + x^{3} (- 2 y') + x^{2} (- 2 y) + 2 x^{2} y y' + 2 x^{3} - 4 (x^{1} x^{1}) y + 2 y^{2} x$

Step 2.13.5.11

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

$2 x^{3} + x^{3} (- 2 y') + x^{2} (- 2 y) + 2 x^{2} y y' + 2 x^{3} - 4 x^{1 + 1} y + 2 y^{2} x$

Step 2.13.5.12

Add $1$ and $1$ .

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

Step 2.13.5.13

Add $2 x^{3}$ and $2 x^{3}$ .

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

Step 2.13.5.14

Subtract $4 x^{2} y$ from $x^{2} (- 2 y)$ .

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Step 2.13.5.14.1

Reorder $x^{2}$ and $- 2$ .

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

Step 2.13.5.14.2

Subtract $4 x^{2} y$ from $- 2 \cdot x^{2} y$ .

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

Step 2.13.6

Reorder terms.

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

Step 3

Differentiate the right side of the equation.

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Step 3.1

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

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

Step 3.2

Differentiate.

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Step 3.2.1

Subtract $1$ from $2$ .

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

Step 3.2.2

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

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

Step 3.2.3

Multiply $2 - y^{2}$ by $1$ .

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

Step 3.2.4

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

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

Step 3.2.5

Since $2$ is constant with respect to $x$ , the derivative of $2$ with respect to $x$ is $0$ .

$(2 - y^{2}) x^{- y^{2} + 1} + (0 + \frac{d}{d x} [- y^{2}]) x^{2 - y^{2}} \ln (x)$

Step 3.2.6

Add $0$ and $\frac{d}{d x} [- y^{2}]$ .

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

Step 3.2.7

Since $- 1$ is constant with respect to $x$ , the derivative of $- y^{2}$ with respect to $x$ is $- \frac{d}{d x} [y^{2}]$ .

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

Step 3.3

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{2}$ and $g (x) = y$ .

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Step 3.3.1

To apply the Chain Rule, set $u$ as $y$ .

$(2 - y^{2}) x^{- y^{2} + 1} - (\frac{d}{d u} [u^{2}] \frac{d}{d x} [y]) x^{2 - y^{2}} \ln (x)$

Step 3.3.2

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

$(2 - y^{2}) x^{- y^{2} + 1} - (2 u \frac{d}{d x} [y]) x^{2 - y^{2}} \ln (x)$

Step 3.3.3

Replace all occurrences of $u$ with $y$ .

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

Step 3.4

Multiply $2$ by $- 1$ .

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

Step 3.5

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

$(2 - y^{2}) x^{- y^{2} + 1} - 2 y y' x^{2 - y^{2}} \ln (x)$

Step 3.6

Reorder terms.

$x^{- y^{2} + 1} (2 - y^{2}) - 2 x^{2 - y^{2}} y \ln (x) y'$

Step 4

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

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

Step 5

Solve for $y'$ .

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Step 5.1

Simplify $x^{- y^{2} + 1} (2 - y^{2}) - 2 x^{2 - y^{2}} y \ln (x) y'$ .

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Step 5.1.1

Simplify each term.

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Step 5.1.1.1

Apply the distributive property.

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

Step 5.1.1.2

Move $2$ to the left of $x^{- y^{2} + 1}$ .

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

Step 5.1.1.3

Rewrite using the commutative property of multiplication.

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

Step 5.1.1.4

Simplify $- 2 \ln (x)$ by moving $2$ inside the logarithm.

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

Step 5.1.1.5

Rewrite using the commutative property of multiplication.

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

Step 5.1.2

Reorder factors in $2 x^{- y^{2} + 1} - x^{- y^{2} + 1} y^{2} - x^{2 - y^{2}} y \ln (x^{2}) y'$ .

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

Step 5.2

Add $y y' x^{2 - y^{2}} \ln (x^{2})$ to both sides of the equation.

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

Step 5.3

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

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Step 5.3.1

Subtract $4 x^{3}$ from both sides of the equation.

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

Step 5.3.2

Add $6 x^{2} y$ to both sides of the equation.

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

Step 5.3.3

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

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

Step 5.4

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

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Step 5.4.1

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

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

Step 5.4.2

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

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

Step 5.4.3

Factor $y'$ out of $y y' x^{2 - y^{2}} \ln (x^{2})$ .

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

Step 5.4.4

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

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

Step 5.4.5

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

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

Step 5.5

Divide each term in $y' (- 2 x^{3} + 2 x^{2} y + y x^{2 - y^{2}} \ln (x^{2})) = 2 x^{- y^{2} + 1} - y^{2} x^{- y^{2} + 1} - 4 x^{3} + 6 x^{2} y - 2 y^{2} x$ by $- 2 x^{3} + 2 x^{2} y + y x^{2 - y^{2}} \ln (x^{2})$ and simplify.

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Step 5.5.1

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

Step 5.5.2

Simplify the left side.

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Step 5.5.2.1

Cancel the common factor of $- 2 x^{3} + 2 x^{2} y + y x^{2 - y^{2}} \ln (x^{2})$ .

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Step 5.5.2.1.1

Cancel the common factor.

Step 5.5.2.1.2

Divide $y'$ by $1$ .

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

Step 5.5.3

Simplify the right side.

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Step 5.5.3.1

Simplify terms.

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Step 5.5.3.1.1

Simplify each term.

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Step 5.5.3.1.1.1

Move the negative in front of the fraction.

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

Step 5.5.3.1.1.2

Move the negative in front of the fraction.

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

Step 5.5.3.1.1.3

Move the negative in front of the fraction.

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

Step 5.5.3.1.2

Simplify terms.

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Step 5.5.3.1.2.1

Combine the numerators over the common denominator.

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

Step 5.5.3.1.2.2

Factor $x^{- y^{2} + 1}$ out of $2 x^{- y^{2} + 1} - y^{2} x^{- y^{2} + 1}$ .

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Step 5.5.3.1.2.2.1

Factor $x^{- y^{2} + 1}$ out of $2 x^{- y^{2} + 1}$ .

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

Step 5.5.3.1.2.2.2

Factor $x^{- y^{2} + 1}$ out of $- y^{2} x^{- y^{2} + 1}$ .

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

Step 5.5.3.1.2.2.3

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

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

Step 5.5.3.1.2.3

Combine the numerators over the common denominator.

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

Step 5.5.3.2

Simplify the numerator.

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Step 5.5.3.2.1

Apply the distributive property.

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

Step 5.5.3.2.2

Move $2$ to the left of $x^{- y^{2} + 1}$ .

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

Step 5.5.3.2.3

Rewrite using the commutative property of multiplication.

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

Step 5.5.3.3

Simplify terms.

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Step 5.5.3.3.1

Combine the numerators over the common denominator.

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

Step 5.5.3.3.2

Combine the numerators over the common denominator.

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

Step 5.5.3.3.3

Reorder factors in $2 x^{- y^{2} + 1} - x^{- y^{2} + 1} y^{2} - 4 x^{3} + 6 x^{2} y - 2 y^{2} x$ .

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

Step 5.5.3.3.4

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

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

Step 5.5.3.3.5

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

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

Step 5.5.3.3.6

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

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

Step 5.5.3.3.7

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

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

Step 5.5.3.3.8

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

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

Step 5.5.3.3.9

Rewrite negatives.

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Step 5.5.3.3.9.1

Rewrite $- (2 x^{3} - 2 x^{2} y - y x^{2 - y^{2}} \ln (x^{2}))$ as $- 1 (2 x^{3} - 2 x^{2} y - y x^{2 - y^{2}} \ln (x^{2}))$ .

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

Step 5.5.3.3.9.2

Move the negative in front of the fraction.

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

Step 6

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

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