Calculus Examples

$\int \frac{1}{3} \cdot {(4 x - x^{2})}^{3} - \frac{1}{3} x^{3} d x$

Step 1

Split the single integral into multiple integrals.

$\int \frac{1}{3} \cdot {(4 x - x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 2

Since $\frac{1}{3}$ is constant with respect to $x$ , move $\frac{1}{3}$ out of the integral.

$\frac{1}{3} \int {(4 x - x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3

Expand ${(4 x - x^{2})}^{3}$ .

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Step 3.1

Use the Binomial Theorem.

$\frac{1}{3} \int {(4 x)}^{3} + 3 {(4 x)}^{2} (- x^{2}) + 3 (4 x) {(- x^{2})}^{2} + {(- x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.2

Rewrite the exponentiation as a product.

$\frac{1}{3} \int 4 x {(4 x)}^{2} + 3 {(4 x)}^{2} (- x^{2}) + 3 (4 x) {(- x^{2})}^{2} + {(- x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.3

Rewrite the exponentiation as a product.

$\frac{1}{3} \int 4 x (4 x (4 x)) + 3 {(4 x)}^{2} (- x^{2}) + 3 (4 x) {(- x^{2})}^{2} + {(- x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.4

Rewrite the exponentiation as a product.

$\frac{1}{3} \int 4 x (4 x (4 x)) + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) {(- x^{2})}^{2} + {(- x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.5

Rewrite the exponentiation as a product.

$\frac{1}{3} \int 4 x (4 x (4 x)) + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) + {(- x^{2})}^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.6

Rewrite the exponentiation as a product.

$\frac{1}{3} \int 4 x (4 x (4 x)) + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} {(- x^{2})}^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.7

Rewrite the exponentiation as a product.

$\frac{1}{3} \int 4 x (4 x (4 x)) + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.8

Move $x$ .

$\frac{1}{3} \int 4 x (4 \cdot 4 x \cdot x) + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.9

Move parentheses.

$\frac{1}{3} \int 4 x (4 \cdot 4 x) x + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.10

Move parentheses.

$\frac{1}{3} \int 4 x (4 \cdot 4) x \cdot x + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.11

Move $x$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 (4 x (4 x)) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.12

Move $x$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 (4 \cdot 4 x \cdot x) (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.13

Move parentheses.

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 (4 \cdot 4 x) x (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.14

Move parentheses.

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 (4 \cdot 4) x \cdot x (- x^{2}) + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.15

Move $x$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 x \cdot - 1 x \cdot x^{2} + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.16

Move $x$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 (4 x) (- x^{2} (- x^{2})) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.17

Move $x^{2}$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 x (- 1 \cdot - 1 x^{2} x^{2}) - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.18

Move parentheses.

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 x (- 1 \cdot - 1 x^{2}) x^{2} - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.19

Move parentheses.

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 x (- 1 \cdot - 1) x^{2} x^{2} - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.20

Move $x$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - x^{2} (- x^{2} (- x^{2})) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.21

Move $x^{2}$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - x^{2} (- 1 \cdot - 1 x^{2} x^{2}) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.22

Move parentheses.

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - x^{2} (- 1 \cdot - 1 x^{2}) x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.23

Move parentheses.

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - x^{2} (- 1 \cdot - 1) x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.24

Move $x^{2}$ .

$\frac{1}{3} \int 4 \cdot 4 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.25

Multiply $4$ by $4$ .

$\frac{1}{3} \int 16 \cdot 4 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.26

Multiply $16$ by $4$ .

$\frac{1}{3} \int 64 x \cdot x \cdot x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.27

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

$\frac{1}{3} \int 64 (x^{1} x) x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.28

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

$\frac{1}{3} \int 64 (x^{1} x^{1}) x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.29

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

$\frac{1}{3} \int 64 x^{1 + 1} x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.30

Add $1$ and $1$ .

$\frac{1}{3} \int 64 x^{2} x + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.31

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

$\frac{1}{3} \int 64 (x^{2} x^{1}) + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.32

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

$\frac{1}{3} \int 64 x^{2 + 1} + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.33

Add $2$ and $1$ .

$\frac{1}{3} \int 64 x^{3} + 3 \cdot 4 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.34

Multiply $3$ by $4$ .

$\frac{1}{3} \int 64 x^{3} + 12 \cdot 4 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.35

Multiply $12$ by $4$ .

$\frac{1}{3} \int 64 x^{3} + 48 \cdot - 1 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.36

Multiply $48$ by $- 1$ .

$\frac{1}{3} \int 64 x^{3} - 48 x \cdot x \cdot x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.37

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

$\frac{1}{3} \int 64 x^{3} - 48 (x^{1} x) x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.38

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

$\frac{1}{3} \int 64 x^{3} - 48 (x^{1} x^{1}) x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.39

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{1 + 1} x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.40

Add $1$ and $1$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{2} x^{2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.41

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{2 + 2} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.42

Add $2$ and $2$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 3 \cdot 4 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.43

Multiply $3$ by $4$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 \cdot - 1 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.44

Multiply $12$ by $- 1$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} - 12 \cdot - 1 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.45

Multiply $- 12$ by $- 1$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x \cdot x^{2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.46

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 (x^{1} x^{2}) x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.47

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{1 + 2} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.48

Add $1$ and $2$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{3} x^{2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.49

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{3 + 2} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.50

Add $3$ and $2$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - 1 \cdot - 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.51

Multiply $- 1$ by $- 1$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} + 1 \cdot - 1 x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.52

Multiply $- 1$ by $1$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - x^{2} x^{2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.53

Factor out negative.

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - (x^{2} x^{2}) x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.54

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - x^{2 + 2} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.55

Add $2$ and $2$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - x^{4} x^{2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.56

Factor out negative.

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - (x^{4} x^{2}) d x + \int - \frac{1}{3} x^{3} d x$

Step 3.57

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

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - x^{4 + 2} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.58

Add $4$ and $2$ .

$\frac{1}{3} \int 64 x^{3} - 48 x^{4} + 12 x^{5} - x^{6} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.59

Reorder $64 x^{3}$ and $- 48 x^{4}$ .

$\frac{1}{3} \int - 48 x^{4} + 64 x^{3} + 12 x^{5} - x^{6} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.60

Move $64 x^{3}$ .

$\frac{1}{3} \int - 48 x^{4} + 12 x^{5} + 64 x^{3} - x^{6} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.61

Reorder $- 48 x^{4}$ and $12 x^{5}$ .

$\frac{1}{3} \int 12 x^{5} - 48 x^{4} + 64 x^{3} - x^{6} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.62

Move $64 x^{3}$ .

$\frac{1}{3} \int 12 x^{5} - 48 x^{4} - x^{6} + 64 x^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.63

Move $- 48 x^{4}$ .

$\frac{1}{3} \int 12 x^{5} - x^{6} - 48 x^{4} + 64 x^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 3.64

Reorder $12 x^{5}$ and $- x^{6}$ .

$\frac{1}{3} \int - x^{6} + 12 x^{5} - 48 x^{4} + 64 x^{3} d x + \int - \frac{1}{3} x^{3} d x$

Step 4

Split the single integral into multiple integrals.

$\frac{1}{3} (\int - x^{6} d x + \int 12 x^{5} d x + \int - 48 x^{4} d x + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 5

Since $- 1$ is constant with respect to $x$ , move $- 1$ out of the integral.

$\frac{1}{3} (- \int x^{6} d x + \int 12 x^{5} d x + \int - 48 x^{4} d x + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 6

By the Power Rule, the integral of $x^{6}$ with respect to $x$ is $\frac{1}{7} x^{7}$ .

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + \int 12 x^{5} d x + \int - 48 x^{4} d x + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 7

Since $12$ is constant with respect to $x$ , move $12$ out of the integral.

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 \int x^{5} d x + \int - 48 x^{4} d x + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 8

By the Power Rule, the integral of $x^{5}$ with respect to $x$ is $\frac{1}{6} x^{6}$ .

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) + \int - 48 x^{4} d x + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 9

Since $- 48$ is constant with respect to $x$ , move $- 48$ out of the integral.

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) - 48 \int x^{4} d x + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 10

By the Power Rule, the integral of $x^{4}$ with respect to $x$ is $\frac{1}{5} x^{5}$ .

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) - 48 (\frac{1}{5} x^{5} + C) + \int 64 x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 11

Since $64$ is constant with respect to $x$ , move $64$ out of the integral.

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) - 48 (\frac{1}{5} x^{5} + C) + 64 \int x^{3} d x) + \int - \frac{1}{3} x^{3} d x$

Step 12

By the Power Rule, the integral of $x^{3}$ with respect to $x$ is $\frac{1}{4} x^{4}$ .

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) - 48 (\frac{1}{5} x^{5} + C) + 64 (\frac{1}{4} x^{4} + C)) + \int - \frac{1}{3} x^{3} d x$

Step 13

Since $- \frac{1}{3}$ is constant with respect to $x$ , move $- \frac{1}{3}$ out of the integral.

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) - 48 (\frac{1}{5} x^{5} + C) + 64 (\frac{1}{4} x^{4} + C)) - \frac{1}{3} \int x^{3} d x$

Step 14

By the Power Rule, the integral of $x^{3}$ with respect to $x$ is $\frac{1}{4} x^{4}$ .

$\frac{1}{3} (- (\frac{1}{7} x^{7} + C) + 12 (\frac{1}{6} x^{6} + C) - 48 (\frac{1}{5} x^{5} + C) + 64 (\frac{1}{4} x^{4} + C)) - \frac{1}{3} (\frac{1}{4} x^{4} + C)$

Step 15

Simplify.

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Step 15.1

Simplify.

$\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - \frac{1}{3} (\frac{1}{4} x^{4}) + C$

Step 15.2

Simplify.

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Step 15.2.1

Combine $\frac{1}{4}$ and $x^{4}$ .

$\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - \frac{1}{3} \cdot \frac{x^{4}}{4} + C$

Step 15.2.2

Multiply $\frac{x^{4}}{4}$ by $\frac{1}{3}$ .

$\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - \frac{x^{4}}{4 \cdot 3} + C$

Step 15.2.3

Multiply $4$ by $3$ .

$\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - \frac{x^{4}}{12} + C$

Step 15.2.4

To write $\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4})$ as a fraction with a common denominator, multiply by $\frac{12}{12}$ .

$\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) \cdot \frac{12}{12} - \frac{x^{4}}{12} + C$

Step 15.2.5

Combine $\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4})$ and $\frac{12}{12}$ .

$\frac{\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) \cdot 12}{12} - \frac{x^{4}}{12} + C$

Step 15.2.6

Combine the numerators over the common denominator.

$\frac{\frac{1}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) \cdot 12 - x^{4}}{12} + C$

Step 15.2.7

Combine $12$ and $\frac{1}{3}$ .

$\frac{\frac{12}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - x^{4}}{12} + C$

Step 15.2.8

Cancel the common factor of $12$ and $3$ .

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Step 15.2.8.1

Factor $3$ out of $12$ .

$\frac{\frac{3 \cdot 4}{3} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - x^{4}}{12} + C$

Step 15.2.8.2

Cancel the common factors.

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Step 15.2.8.2.1

Factor $3$ out of $3$ .

$\frac{\frac{3 \cdot 4}{3 (1)} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - x^{4}}{12} + C$

Step 15.2.8.2.2

Cancel the common factor.

$\frac{\frac{3 \cdot 4}{3 \cdot 1} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - x^{4}}{12} + C$

Step 15.2.8.2.3

Rewrite the expression.

$\frac{\frac{4}{1} (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - x^{4}}{12} + C$

Step 15.2.8.2.4

Divide $4$ by $1$ .

$\frac{4 (- \frac{x^{7}}{7} + 2 x^{6} - \frac{48 x^{5}}{5} + 16 x^{4}) - x^{4}}{12} + C$

Step 16

Reorder terms.

$\frac{1}{12} (4 (- \frac{1}{7} x^{7} + 2 x^{6} - \frac{48}{5} x^{5} + 16 x^{4}) - x^{4}) + C$