Basic Math Examples

$(\frac{4}{5} - y^{2}) \cdot (\frac{8}{7} y^{3} - y + \frac{6}{7})$

Step 1

Combine $\frac{8}{7}$ and $y^{3}$ .

$(\frac{4}{5} - y^{2}) \cdot (\frac{8 y^{3}}{7} - y + \frac{6}{7})$

Step 2

Expand $(\frac{4}{5} - y^{2}) (\frac{8 y^{3}}{7} - y + \frac{6}{7})$ by multiplying each term in the first expression by each term in the second expression.

$\frac{4}{5} \cdot \frac{8 y^{3}}{7} + \frac{4}{5} (- y) + \frac{4}{5} \cdot \frac{6}{7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3

Simplify each term.

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Step 3.1

Combine.

$\frac{4 (8 y^{3})}{5 \cdot 7} + \frac{4}{5} (- y) + \frac{4}{5} \cdot \frac{6}{7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.2

Multiply $4$ by $8$ .

$\frac{32 y^{3}}{5 \cdot 7} + \frac{4}{5} (- y) + \frac{4}{5} \cdot \frac{6}{7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.3

Multiply $5$ by $7$ .

$\frac{32 y^{3}}{35} + \frac{4}{5} (- y) + \frac{4}{5} \cdot \frac{6}{7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.4

Combine $\frac{4}{5}$ and $y$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{4}{5} \cdot \frac{6}{7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.5

Multiply $\frac{4}{5} \cdot \frac{6}{7}$ .

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Step 3.5.1

Multiply $\frac{4}{5}$ by $\frac{6}{7}$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{4 \cdot 6}{5 \cdot 7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.5.2

Multiply $4$ by $6$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{5 \cdot 7} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.5.3

Multiply $5$ by $7$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - y^{2} \frac{8 y^{3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.6

Multiply $- y^{2} \frac{8 y^{3}}{7}$ .

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Step 3.6.1

Combine $\frac{8 y^{3}}{7}$ and $y^{2}$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{3} y^{2}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.6.2

Multiply $y^{3}$ by $y^{2}$ by adding the exponents.

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Step 3.6.2.1

Move $y^{2}$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 (y^{2} y^{3})}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.6.2.2

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

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{2 + 3}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.6.2.3

Add $2$ and $3$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} - y^{2} (- y) - y^{2} \frac{6}{7}$

Step 3.7

Rewrite using the commutative property of multiplication.

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} - 1 \cdot - 1 y^{2} y - y^{2} \frac{6}{7}$

Step 3.8

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

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Step 3.8.1

Move $y$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} - 1 \cdot - 1 (y \cdot y^{2}) - y^{2} \frac{6}{7}$

Step 3.8.2

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

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Step 3.8.2.1

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

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} - 1 \cdot - 1 (y^{1} y^{2}) - y^{2} \frac{6}{7}$

Step 3.8.2.2

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

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} - 1 \cdot - 1 y^{1 + 2} - y^{2} \frac{6}{7}$

Step 3.8.3

Add $1$ and $2$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} - 1 \cdot - 1 y^{3} - y^{2} \frac{6}{7}$

Step 3.9

Multiply $- 1$ by $- 1$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} + 1 y^{3} - y^{2} \frac{6}{7}$

Step 3.10

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

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} + y^{3} - y^{2} \frac{6}{7}$

Step 3.11

Combine $\frac{6}{7}$ and $y^{2}$ .

$\frac{32 y^{3}}{35} - \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} + y^{3} - \frac{6 y^{2}}{7}$

Step 4

To write $y^{3}$ as a fraction with a common denominator, multiply by $\frac{35}{35}$ .

$- \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} + \frac{32 y^{3}}{35} + y^{3} \cdot \frac{35}{35} - \frac{6 y^{2}}{7}$

Step 5

Simplify terms.

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Step 5.1

Combine $y^{3}$ and $\frac{35}{35}$ .

$- \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} + \frac{32 y^{3}}{35} + \frac{y^{3} \cdot 35}{35} - \frac{6 y^{2}}{7}$

Step 5.2

Combine the numerators over the common denominator.

$- \frac{4 y}{5} + \frac{24}{35} - \frac{8 y^{5}}{7} + \frac{32 y^{3} + y^{3} \cdot 35}{35} - \frac{6 y^{2}}{7}$

Step 5.3

Combine the numerators over the common denominator.

$\frac{- 4 y}{5} + \frac{24 + 32 y^{3} + y^{3} \cdot 35}{35} + \frac{- 8 y^{5}}{7} + \frac{- 6 y^{2}}{7}$

Step 6

Move $35$ to the left of $y^{3}$ .

$\frac{- 4 y}{5} + \frac{24 + 32 y^{3} + 35 y^{3}}{35} + \frac{- 8 y^{5}}{7} + \frac{- 6 y^{2}}{7}$

Step 7

Add $32 y^{3}$ and $35 y^{3}$ .

$\frac{- 4 y}{5} + \frac{24 + 67 y^{3}}{35} + \frac{- 8 y^{5}}{7} + \frac{- 6 y^{2}}{7}$

Step 8

Simplify each term.

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Step 8.1

Move the negative in front of the fraction.

$- \frac{4 y}{5} + \frac{24 + 67 y^{3}}{35} + \frac{- 8 y^{5}}{7} + \frac{- 6 y^{2}}{7}$

Step 8.2

Move the negative in front of the fraction.

$- \frac{4 y}{5} + \frac{24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} + \frac{- 6 y^{2}}{7}$

Step 8.3

Move the negative in front of the fraction.

$- \frac{4 y}{5} + \frac{24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 9

To write $- \frac{4 y}{5}$ as a fraction with a common denominator, multiply by $\frac{7}{7}$ .

$- \frac{4 y}{5} \cdot \frac{7}{7} + \frac{24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 10

Write each expression with a common denominator of $35$ , by multiplying each by an appropriate factor of $1$ .

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Step 10.1

Multiply $\frac{4 y}{5}$ by $\frac{7}{7}$ .

$- \frac{4 y \cdot 7}{5 \cdot 7} + \frac{24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 10.2

Multiply $5$ by $7$ .

$- \frac{4 y \cdot 7}{35} + \frac{24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 11

Combine the numerators over the common denominator.

$\frac{- 4 y \cdot 7 + 24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 12

Simplify the numerator.

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Step 12.1

Multiply $7$ by $- 4$ .

$\frac{- 28 y + 24 + 67 y^{3}}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 12.2

Reorder terms.

$\frac{67 y^{3} - 28 y + 24}{35} - \frac{8 y^{5}}{7} - \frac{6 y^{2}}{7}$

Step 13

To write $- \frac{8 y^{5}}{7}$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$\frac{67 y^{3} - 28 y + 24}{35} - \frac{8 y^{5}}{7} \cdot \frac{5}{5} - \frac{6 y^{2}}{7}$

Step 14

Write each expression with a common denominator of $35$ , by multiplying each by an appropriate factor of $1$ .

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Step 14.1

Multiply $\frac{8 y^{5}}{7}$ by $\frac{5}{5}$ .

$\frac{67 y^{3} - 28 y + 24}{35} - \frac{8 y^{5} \cdot 5}{7 \cdot 5} - \frac{6 y^{2}}{7}$

Step 14.2

Multiply $7$ by $5$ .

$\frac{67 y^{3} - 28 y + 24}{35} - \frac{8 y^{5} \cdot 5}{35} - \frac{6 y^{2}}{7}$

Step 15

Combine the numerators over the common denominator.

$\frac{67 y^{3} - 28 y + 24 - 8 y^{5} \cdot 5}{35} - \frac{6 y^{2}}{7}$

Step 16

Simplify the numerator.

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Step 16.1

Multiply $5$ by $- 8$ .

$\frac{67 y^{3} - 28 y + 24 - 40 y^{5}}{35} - \frac{6 y^{2}}{7}$

Step 16.2

Reorder terms.

$\frac{- 40 y^{5} + 67 y^{3} - 28 y + 24}{35} - \frac{6 y^{2}}{7}$

Step 17

To write $- \frac{6 y^{2}}{7}$ as a fraction with a common denominator, multiply by $\frac{5}{5}$ .

$\frac{- 40 y^{5} + 67 y^{3} - 28 y + 24}{35} - \frac{6 y^{2}}{7} \cdot \frac{5}{5}$

Step 18

Write each expression with a common denominator of $35$ , by multiplying each by an appropriate factor of $1$ .

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Step 18.1

Multiply $\frac{6 y^{2}}{7}$ by $\frac{5}{5}$ .

$\frac{- 40 y^{5} + 67 y^{3} - 28 y + 24}{35} - \frac{6 y^{2} \cdot 5}{7 \cdot 5}$

Step 18.2

Multiply $7$ by $5$ .

$\frac{- 40 y^{5} + 67 y^{3} - 28 y + 24}{35} - \frac{6 y^{2} \cdot 5}{35}$

Step 19

Combine the numerators over the common denominator.

$\frac{- 40 y^{5} + 67 y^{3} - 28 y + 24 - 6 y^{2} \cdot 5}{35}$

Step 20

Simplify the numerator.

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Step 20.1

Multiply $5$ by $- 6$ .

$\frac{- 40 y^{5} + 67 y^{3} - 28 y + 24 - 30 y^{2}}{35}$

Step 20.2

Reorder terms.

$\frac{- 40 y^{5} + 67 y^{3} - 30 y^{2} - 28 y + 24}{35}$

Step 21

Simplify with factoring out.

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Step 21.1

Factor $- 1$ out of $- 40 y^{5}$ .

$\frac{- (40 y^{5}) + 67 y^{3} - 30 y^{2} - 28 y + 24}{35}$

Step 21.2

Factor $- 1$ out of $67 y^{3}$ .

$\frac{- (40 y^{5}) - (- 67 y^{3}) - 30 y^{2} - 28 y + 24}{35}$

Step 21.3

Factor $- 1$ out of $- (40 y^{5}) - (- 67 y^{3})$ .

$\frac{- (40 y^{5} - 67 y^{3}) - 30 y^{2} - 28 y + 24}{35}$

Step 21.4

Factor $- 1$ out of $- 30 y^{2}$ .

$\frac{- (40 y^{5} - 67 y^{3}) - (30 y^{2}) - 28 y + 24}{35}$

Step 21.5

Factor $- 1$ out of $- (40 y^{5} - 67 y^{3}) - (30 y^{2})$ .

$\frac{- (40 y^{5} - 67 y^{3} + 30 y^{2}) - 28 y + 24}{35}$

Step 21.6

Factor $- 1$ out of $- 28 y$ .

$\frac{- (40 y^{5} - 67 y^{3} + 30 y^{2}) - (28 y) + 24}{35}$

Step 21.7

Factor $- 1$ out of $- (40 y^{5} - 67 y^{3} + 30 y^{2}) - (28 y)$ .

$\frac{- (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y) + 24}{35}$

Step 21.8

Rewrite $24$ as $- 1 (- 24)$ .

$\frac{- (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y) - 1 (- 24)}{35}$

Step 21.9

Factor $- 1$ out of $- (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y) - 1 (- 24)$ .

$\frac{- (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y - 24)}{35}$

Step 21.10

Simplify the expression.

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Step 21.10.1

Rewrite $- (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y - 24)$ as $- 1 (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y - 24)$ .

$\frac{- 1 (40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y - 24)}{35}$

Step 21.10.2

Move the negative in front of the fraction.

$- \frac{40 y^{5} - 67 y^{3} + 30 y^{2} + 28 y - 24}{35}$