Basic Math Examples

$- (7 {(- a)}^{2} - 14 a^{2}) + a^{2} b c \div (- 4 b c) + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1

Simplify each term.

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Step 1.1

Simplify each term.

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Step 1.1.1

Apply the product rule to $- a$ .

$- (7 ({(- 1)}^{2} a^{2}) - 14 a^{2}) + a^{2} b c \div (- 4 b c) + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.1.2

Raise $- 1$ to the power of $2$ .

$- (7 (1 a^{2}) - 14 a^{2}) + a^{2} b c \div (- 4 b c) + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.1.3

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

$- (7 a^{2} - 14 a^{2}) + a^{2} b c \div (- 4 b c) + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.2

Subtract $14 a^{2}$ from $7 a^{2}$ .

$- (- 7 a^{2}) + a^{2} b c \div (- 4 b c) + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.3

Multiply $- 7$ by $- 1$ .

$7 a^{2} + a^{2} b c \div (- 4 b c) + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.4

Rewrite the division as a fraction.

$7 a^{2} + \frac{a^{2} b c}{- 4 b c} + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.5

Cancel the common factor of $b$ .

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Step 1.5.1

Cancel the common factor.

$7 a^{2} + \frac{a^{2} b c}{- 4 b c} + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.5.2

Rewrite the expression.

$7 a^{2} + \frac{a^{2} c}{- 4 c} + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.6

Cancel the common factor of $c$ .

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Step 1.6.1

Cancel the common factor.

$7 a^{2} + \frac{a^{2} c}{- 4 c} + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.6.2

Rewrite the expression.

$7 a^{2} + \frac{a^{2}}{- 4} + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.7

Move the negative in front of the fraction.

$7 a^{2} - \frac{a^{2}}{4} + \frac{1}{2} a^{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.8

Combine $\frac{1}{2}$ and $a^{2}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - {(- \frac{3}{2} \cdot (a b))}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.9

Simplify the numerator.

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Step 1.9.1

Combine exponents.

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Step 1.9.1.1

Combine $a$ and $\frac{3}{2}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - {(- \frac{a \cdot 3}{2} b)}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.1.2

Combine $b$ and $\frac{a \cdot 3}{2}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - {(- \frac{b (a \cdot 3)}{2})}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.2

Apply the product rule to $- \frac{b (a \cdot 3)}{2}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - {(- 1)}^{3} {(\frac{b (a \cdot 3)}{2})}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.3

Raise $- 1$ to the power of $3$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - {(\frac{b (a \cdot 3)}{2})}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.4

Move $3$ to the left of $b a$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - {(\frac{3 \cdot (b a)}{2})}^{3} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.5

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 1.9.5.1

Apply the product rule to $\frac{3 b a}{2}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - \frac{{(3 b a)}^{3}}{2^{3}} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.5.2

Apply the product rule to $3 b a$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - \frac{{(3 b)}^{3} a^{3}}{2^{3}} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.5.3

Apply the product rule to $3 b$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - \frac{3^{3} b^{3} a^{3}}{2^{3}} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.6

Raise $3$ to the power of $3$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - \frac{27 b^{3} a^{3}}{2^{3}} \div (- 3 a b^{3}) \cdot 4$

Step 1.9.7

Raise $2$ to the power of $3$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - - \frac{27 b^{3} a^{3}}{8} \div (- 3 a b^{3}) \cdot 4$

Step 1.10

Rewrite the division as a fraction.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - \frac{- \frac{27 b^{3} a^{3}}{8}}{- 3 a b^{3}} \cdot 4$

Step 1.11

Multiply the numerator by the reciprocal of the denominator.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - (- \frac{27 b^{3} a^{3}}{8} \cdot \frac{1}{- 3 a b^{3}}) \cdot 4$

Step 1.12

Cancel the common factor of $3 a b^{3}$ .

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Step 1.12.1

Move the leading negative in $- \frac{27 b^{3} a^{3}}{8}$ into the numerator.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - (\frac{- 27 b^{3} a^{3}}{8} \cdot \frac{1}{- 3 a b^{3}}) \cdot 4$

Step 1.12.2

Factor $3 a b^{3}$ out of $- 27 b^{3} a^{3}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - (\frac{3 a b^{3} (- 9 a^{2})}{8} \cdot \frac{1}{- 3 a b^{3}}) \cdot 4$

Step 1.12.3

Factor $3 a b^{3}$ out of $- 3 a b^{3}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - (\frac{3 a b^{3} (- 9 a^{2})}{8} \cdot \frac{1}{3 a b^{3} (- 1)}) \cdot 4$

Step 1.12.4

Cancel the common factor.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - (\frac{3 a b^{3} (- 9 a^{2})}{8} \cdot \frac{1}{3 a b^{3} \cdot - 1}) \cdot 4$

Step 1.12.5

Rewrite the expression.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - (\frac{- 9 a^{2}}{8} \cdot \frac{1}{- 1}) \cdot 4$

Step 1.13

Multiply $\frac{- 9 a^{2}}{8}$ by $\frac{1}{- 1}$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - \frac{- 9 a^{2}}{8 \cdot - 1} \cdot 4$

Step 1.14

Multiply $8$ by $- 1$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - \frac{- 9 a^{2}}{- 8} \cdot 4$

Step 1.15

Cancel the common factor of $4$ .

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Step 1.15.1

Move the leading negative in $- \frac{- 9 a^{2}}{- 8}$ into the numerator.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} + \frac{9 a^{2}}{- 8} \cdot 4$

Step 1.15.2

Factor $4$ out of $- 8$ .

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} + \frac{9 a^{2}}{4 (- 2)} \cdot 4$

Step 1.15.3

Cancel the common factor.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} + \frac{9 a^{2}}{4 \cdot - 2} \cdot 4$

Step 1.15.4

Rewrite the expression.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} + \frac{9 a^{2}}{- 2}$

Step 1.16

Move the negative in front of the fraction.

$7 a^{2} - \frac{a^{2}}{4} + \frac{a^{2}}{2} - \frac{9 a^{2}}{2}$

Step 2

Simplify terms.

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Step 2.1

Combine the numerators over the common denominator.

$7 a^{2} + \frac{- a^{2}}{4} + \frac{a^{2} - 9 a^{2}}{2}$

Step 2.2

Subtract $9 a^{2}$ from $a^{2}$ .

$7 a^{2} + \frac{- a^{2}}{4} + \frac{- 8 a^{2}}{2}$

Step 3

Find the common denominator.

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Step 3.1

Write $7 a^{2}$ as a fraction with denominator $1$ .

$\frac{7 a^{2}}{1} + \frac{- a^{2}}{4} + \frac{- 8 a^{2}}{2}$

Step 3.2

Multiply $\frac{7 a^{2}}{1}$ by $\frac{4}{4}$ .

$\frac{7 a^{2}}{1} \cdot \frac{4}{4} + \frac{- a^{2}}{4} + \frac{- 8 a^{2}}{2}$

Step 3.3

Multiply $\frac{7 a^{2}}{1}$ by $\frac{4}{4}$ .

$\frac{7 a^{2} \cdot 4}{4} + \frac{- a^{2}}{4} + \frac{- 8 a^{2}}{2}$

Step 3.4

Multiply $\frac{- 8 a^{2}}{2}$ by $\frac{2}{2}$ .

$\frac{7 a^{2} \cdot 4}{4} + \frac{- a^{2}}{4} + \frac{- 8 a^{2}}{2} \cdot \frac{2}{2}$

Step 3.5

Multiply $\frac{- 8 a^{2}}{2}$ by $\frac{2}{2}$ .

$\frac{7 a^{2} \cdot 4}{4} + \frac{- a^{2}}{4} + \frac{- 8 a^{2} \cdot 2}{2 \cdot 2}$

Step 3.6

Multiply $2$ by $2$ .

$\frac{7 a^{2} \cdot 4}{4} + \frac{- a^{2}}{4} + \frac{- 8 a^{2} \cdot 2}{4}$

Step 4

Combine the numerators over the common denominator.

$\frac{7 a^{2} \cdot 4 - a^{2} - 8 a^{2} \cdot 2}{4}$

Step 5

Simplify each term.

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Step 5.1

Multiply $4$ by $7$ .

$\frac{28 a^{2} - a^{2} - 8 a^{2} \cdot 2}{4}$

Step 5.2

Multiply $2$ by $- 8$ .

$\frac{28 a^{2} - a^{2} - 16 a^{2}}{4}$

Step 6

Simplify by adding terms.

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Step 6.1

Subtract $a^{2}$ from $28 a^{2}$ .

$\frac{27 a^{2} - 16 a^{2}}{4}$

Step 6.2

Subtract $16 a^{2}$ from $27 a^{2}$ .

$\frac{11 a^{2}}{4}$