Calculus Examples

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

Step 1

Differentiate both sides of the equation.

$\frac{d}{d x} (y) = \frac{d}{d x} (\frac{x^{3} + 5}{(5 x + 3) (3 x + 5)})$

Step 2

The derivative of $y$ with respect to $x$ is $y'$ .

$y'$

Step 3

Differentiate the right side of the equation.

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Step 3.1

Differentiate using the Quotient Rule which states that $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ is $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ where $f (x) = x^{3} + 5$ and $g (x) = (5 x + 3) (3 x + 5)$ .

$\frac{(5 x + 3) (3 x + 5) \frac{d}{d x} [x^{3} + 5] - (x^{3} + 5) \frac{d}{d x} [(5 x + 3) (3 x + 5)]}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.2

Differentiate.

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Step 3.2.1

By the Sum Rule, the derivative of $x^{3} + 5$ with respect to $x$ is $\frac{d}{d x} [x^{3}] + \frac{d}{d x} [5]$ .

$\frac{(5 x + 3) (3 x + 5) (\frac{d}{d x} [x^{3}] + \frac{d}{d x} [5]) - (x^{3} + 5) \frac{d}{d x} [(5 x + 3) (3 x + 5)]}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.2.2

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

$\frac{(5 x + 3) (3 x + 5) (3 x^{2} + \frac{d}{d x} [5]) - (x^{3} + 5) \frac{d}{d x} [(5 x + 3) (3 x + 5)]}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.2.3

Since $5$ is constant with respect to $x$ , the derivative of $5$ with respect to $x$ is $0$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2} + 0) - (x^{3} + 5) \frac{d}{d x} [(5 x + 3) (3 x + 5)]}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.2.4

Add $3 x^{2}$ and $0$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) \frac{d}{d x} [(5 x + 3) (3 x + 5)]}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.3

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 $f (x) = 5 x + 3$ and $g (x) = 3 x + 5$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) \frac{d}{d x} [3 x + 5] + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4

Differentiate.

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Step 3.4.1

By the Sum Rule, the derivative of $3 x + 5$ with respect to $x$ is $\frac{d}{d x} [3 x] + \frac{d}{d x} [5]$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) (\frac{d}{d x} [3 x] + \frac{d}{d x} [5]) + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.2

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

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) (3 \frac{d}{d x} [x] + \frac{d}{d x} [5]) + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.3

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

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) (3 \cdot 1 + \frac{d}{d x} [5]) + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.4

Multiply $3$ by $1$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) (3 + \frac{d}{d x} [5]) + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.5

Since $5$ is constant with respect to $x$ , the derivative of $5$ with respect to $x$ is $0$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) (3 + 0) + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.6

Simplify the expression.

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Step 3.4.6.1

Add $3$ and $0$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) ((5 x + 3) \cdot 3 + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.6.2

Move $3$ to the left of $5 x + 3$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 \cdot (5 x + 3) + (3 x + 5) \frac{d}{d x} [5 x + 3])}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.7

By the Sum Rule, the derivative of $5 x + 3$ with respect to $x$ is $\frac{d}{d x} [5 x] + \frac{d}{d x} [3]$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + (3 x + 5) (\frac{d}{d x} [5 x] + \frac{d}{d x} [3]))}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.8

Since $5$ is constant with respect to $x$ , the derivative of $5 x$ with respect to $x$ is $5 \frac{d}{d x} [x]$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + (3 x + 5) (5 \frac{d}{d x} [x] + \frac{d}{d x} [3]))}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.9

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

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + (3 x + 5) (5 \cdot 1 + \frac{d}{d x} [3]))}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.10

Multiply $5$ by $1$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + (3 x + 5) (5 + \frac{d}{d x} [3]))}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.11

Since $3$ is constant with respect to $x$ , the derivative of $3$ with respect to $x$ is $0$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + (3 x + 5) (5 + 0))}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.12

Simplify the expression.

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Step 3.4.12.1

Add $5$ and $0$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + (3 x + 5) \cdot 5)}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.4.12.2

Move $5$ to the left of $3 x + 5$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + 5 \cdot (3 x + 5))}{{((5 x + 3) (3 x + 5))}^{2}}$

Step 3.5

Simplify.

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Step 3.5.1

Apply the product rule to $(5 x + 3) (3 x + 5)$ .

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) - (x^{3} + 5) (3 (5 x + 3) + 5 (3 x + 5))}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.2

Apply the distributive property.

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) + (- x^{3} - 1 \cdot 5) (3 (5 x + 3) + 5 (3 x + 5))}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.3

Apply the distributive property.

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x + 5))}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.4

Apply the distributive property.

$\frac{(5 x + 3) (3 x + 5) (3 x^{2}) + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5

Simplify the numerator.

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Step 3.5.5.1

Simplify each term.

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Step 3.5.5.1.1

Rewrite using the commutative property of multiplication.

$\frac{3 (5 x + 3) (3 x + 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.2

Apply the distributive property.

$\frac{(3 (5 x) + 3 \cdot 3) (3 x + 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.3

Multiply $5$ by $3$ .

$\frac{(15 x + 3 \cdot 3) (3 x + 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.4

Multiply $3$ by $3$ .

$\frac{(15 x + 9) (3 x + 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.5

Expand $(15 x + 9) (3 x + 5)$ using the FOIL Method.

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Step 3.5.5.1.5.1

Apply the distributive property.

$\frac{(15 x (3 x + 5) + 9 (3 x + 5)) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.5.2

Apply the distributive property.

$\frac{(15 x (3 x) + 15 x \cdot 5 + 9 (3 x + 5)) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.5.3

Apply the distributive property.

$\frac{(15 x (3 x) + 15 x \cdot 5 + 9 (3 x) + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6

Simplify and combine like terms.

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Step 3.5.5.1.6.1

Simplify each term.

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Step 3.5.5.1.6.1.1

Rewrite using the commutative property of multiplication.

$\frac{(15 \cdot 3 x \cdot x + 15 x \cdot 5 + 9 (3 x) + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.1.2

Multiply $x$ by $x$ by adding the exponents.

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Step 3.5.5.1.6.1.2.1

Move $x$ .

$\frac{(15 \cdot 3 (x \cdot x) + 15 x \cdot 5 + 9 (3 x) + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.1.2.2

Multiply $x$ by $x$ .

$\frac{(15 \cdot 3 x^{2} + 15 x \cdot 5 + 9 (3 x) + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.1.3

Multiply $15$ by $3$ .

$\frac{(45 x^{2} + 15 x \cdot 5 + 9 (3 x) + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.1.4

Multiply $5$ by $15$ .

$\frac{(45 x^{2} + 75 x + 9 (3 x) + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.1.5

Multiply $3$ by $9$ .

$\frac{(45 x^{2} + 75 x + 27 x + 9 \cdot 5) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.1.6

Multiply $9$ by $5$ .

$\frac{(45 x^{2} + 75 x + 27 x + 45) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.6.2

Add $75 x$ and $27 x$ .

$\frac{(45 x^{2} + 102 x + 45) x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.7

Apply the distributive property.

$\frac{45 x^{2} x^{2} + 102 x \cdot x^{2} + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8

Simplify.

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Step 3.5.5.1.8.1

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

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Step 3.5.5.1.8.1.1

Move $x^{2}$ .

$\frac{45 (x^{2} x^{2}) + 102 x \cdot x^{2} + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8.1.2

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

$\frac{45 x^{2 + 2} + 102 x \cdot x^{2} + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8.1.3

Add $2$ and $2$ .

$\frac{45 x^{4} + 102 x \cdot x^{2} + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8.2

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

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Step 3.5.5.1.8.2.1

Move $x^{2}$ .

$\frac{45 x^{4} + 102 (x^{2} x) + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8.2.2

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

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Step 3.5.5.1.8.2.2.1

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

$\frac{45 x^{4} + 102 (x^{2} x^{1}) + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8.2.2.2

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

$\frac{45 x^{4} + 102 x^{2 + 1} + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.8.2.3

Add $2$ and $1$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 1 \cdot 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.9

Multiply $- 1$ by $5$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (3 (5 x) + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.10

Simplify each term.

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Step 3.5.5.1.10.1

Multiply $5$ by $3$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (15 x + 3 \cdot 3 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.10.2

Multiply $3$ by $3$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (15 x + 9 + 5 (3 x) + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.10.3

Multiply $3$ by $5$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (15 x + 9 + 15 x + 5 \cdot 5)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.10.4

Multiply $5$ by $5$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (15 x + 9 + 15 x + 25)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.11

Add $15 x$ and $15 x$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (30 x + 9 + 25)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.12

Add $9$ and $25$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} + (- x^{3} - 5) (30 x + 34)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.13

Expand $(- x^{3} - 5) (30 x + 34)$ using the FOIL Method.

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Step 3.5.5.1.13.1

Apply the distributive property.

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - x^{3} (30 x + 34) - 5 (30 x + 34)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.13.2

Apply the distributive property.

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - x^{3} (30 x) - x^{3} \cdot 34 - 5 (30 x + 34)}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.13.3

Apply the distributive property.

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - x^{3} (30 x) - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14

Simplify each term.

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Step 3.5.5.1.14.1

Rewrite using the commutative property of multiplication.

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 1 \cdot 30 x^{3} x - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.2

Multiply $x^{3}$ by $x$ by adding the exponents.

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Step 3.5.5.1.14.2.1

Move $x$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 1 \cdot 30 (x \cdot x^{3}) - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.2.2

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

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Step 3.5.5.1.14.2.2.1

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

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 1 \cdot 30 (x^{1} x^{3}) - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.2.2.2

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

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 1 \cdot 30 x^{1 + 3} - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.2.3

Add $1$ and $3$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 1 \cdot 30 x^{4} - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.3

Multiply $- 1$ by $30$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 30 x^{4} - x^{3} \cdot 34 - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.4

Multiply $34$ by $- 1$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 30 x^{4} - 34 x^{3} - 5 (30 x) - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.5

Multiply $30$ by $- 5$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 30 x^{4} - 34 x^{3} - 150 x - 5 \cdot 34}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.1.14.6

Multiply $- 5$ by $34$ .

$\frac{45 x^{4} + 102 x^{3} + 45 x^{2} - 30 x^{4} - 34 x^{3} - 150 x - 170}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.2

Subtract $30 x^{4}$ from $45 x^{4}$ .

$\frac{15 x^{4} + 102 x^{3} + 45 x^{2} - 34 x^{3} - 150 x - 170}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.5.3

Subtract $34 x^{3}$ from $102 x^{3}$ .

$\frac{15 x^{4} + 68 x^{3} + 45 x^{2} - 150 x - 170}{{(5 x + 3)}^{2} {(3 x + 5)}^{2}}$

Step 3.5.6

Reorder terms.

$\frac{15 x^{4} + 68 x^{3} + 45 x^{2} - 150 x - 170}{{(3 x + 5)}^{2} {(5 x + 3)}^{2}}$

Step 4

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

$y' = \frac{15 x^{4} + 68 x^{3} + 45 x^{2} - 150 x - 170}{{(3 x + 5)}^{2} {(5 x + 3)}^{2}}$

Step 5

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

$\frac{d y}{d x} = \frac{15 x^{4} + 68 x^{3} + 45 x^{2} - 150 x - 170}{{(3 x + 5)}^{2} {(5 x + 3)}^{2}}$