Finite Math Examples

$\frac{1}{2} \cdot (a b (\frac{3}{4} \cdot (a^{3} b) - \frac{7}{5} \cdot (a b^{4}) + 6 a b))$

Step 1

Simplify each term.

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Step 1.1

Multiply $\frac{3}{4} (a^{3} b)$ .

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Step 1.1.1

Combine $a^{3}$ and $\frac{3}{4}$ .

$\frac{1}{2} \cdot (a b (\frac{a^{3} \cdot 3}{4} b - \frac{7}{5} \cdot (a b^{4}) + 6 a b))$

Step 1.1.2

Combine $\frac{a^{3} \cdot 3}{4}$ and $b$ .

$\frac{1}{2} \cdot (a b (\frac{a^{3} \cdot 3 b}{4} - \frac{7}{5} \cdot (a b^{4}) + 6 a b))$

Step 1.2

Move $3$ to the left of $a^{3}$ .

$\frac{1}{2} \cdot (a b (\frac{3 \cdot a^{3} b}{4} - \frac{7}{5} \cdot (a b^{4}) + 6 a b))$

Step 1.3

Multiply $- \frac{7}{5} (a b^{4})$ .

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Step 1.3.1

Combine $a$ and $\frac{7}{5}$ .

$\frac{1}{2} \cdot (a b (\frac{3 a^{3} b}{4} - \frac{a \cdot 7}{5} b^{4} + 6 a b))$

Step 1.3.2

Combine $b^{4}$ and $\frac{a \cdot 7}{5}$ .

$\frac{1}{2} \cdot (a b (\frac{3 a^{3} b}{4} - \frac{b^{4} (a \cdot 7)}{5} + 6 a b))$

Step 1.4

Move $7$ to the left of $b^{4} a$ .

$\frac{1}{2} \cdot (a b (\frac{3 a^{3} b}{4} - \frac{7 b^{4} a}{5} + 6 a b))$

Step 2

Apply the distributive property.

$\frac{1}{2} \cdot (a b \frac{3 a^{3} b}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3

Simplify.

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Step 3.1

Multiply $a b \frac{3 a^{3} b}{4}$ .

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Step 3.1.1

Combine $a$ and $\frac{3 a^{3} b}{4}$ .

$\frac{1}{2} \cdot (b \frac{a (3 a^{3} b)}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.2

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

$\frac{1}{2} \cdot (b \frac{3 (a^{1} a^{3}) b}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.3

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

$\frac{1}{2} \cdot (b \frac{3 a^{1 + 3} b}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.4

Add $1$ and $3$ .

$\frac{1}{2} \cdot (b \frac{3 a^{4} b}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.5

Combine $b$ and $\frac{3 a^{4} b}{4}$ .

$\frac{1}{2} \cdot (\frac{b (3 a^{4} b)}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.6

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

$\frac{1}{2} \cdot (\frac{3 a^{4} (b^{1} b)}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.7

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

$\frac{1}{2} \cdot (\frac{3 a^{4} (b^{1} b^{1})}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.8

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

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{1 + 1}}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.1.9

Add $1$ and $1$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} + a b (- \frac{7 b^{4} a}{5}) + a b (6 a b))$

Step 3.2

Rewrite using the commutative property of multiplication.

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - a b \frac{7 b^{4} a}{5} + a b (6 a b))$

Step 3.3

Rewrite using the commutative property of multiplication.

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - a b \frac{7 b^{4} a}{5} + 6 a b (a b))$

Step 4

Simplify each term.

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Step 4.1

Multiply $- a b \frac{7 b^{4} a}{5}$ .

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Step 4.1.1

Combine $a$ and $\frac{7 b^{4} a}{5}$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - b \frac{a (7 b^{4} a)}{5} + 6 a b (a b))$

Step 4.1.2

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

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - b \frac{a^{1} a (7 b^{4})}{5} + 6 a b (a b))$

Step 4.1.3

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

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - b \frac{a^{1} a^{1} (7 b^{4})}{5} + 6 a b (a b))$

Step 4.1.4

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

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - b \frac{a^{1 + 1} (7 b^{4})}{5} + 6 a b (a b))$

Step 4.1.5

Add $1$ and $1$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - b \frac{a^{2} (7 b^{4})}{5} + 6 a b (a b))$

Step 4.1.6

Combine $\frac{a^{2} (7 b^{4})}{5}$ and $b$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{a^{2} (7 b^{4}) b}{5} + 6 a b (a b))$

Step 4.1.7

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

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{a^{2} (7 (b^{1} b^{4}))}{5} + 6 a b (a b))$

Step 4.1.8

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

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{a^{2} (7 b^{1 + 4})}{5} + 6 a b (a b))$

Step 4.1.9

Add $1$ and $4$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{a^{2} (7 b^{5})}{5} + 6 a b (a b))$

Step 4.2

Move $7$ to the left of $a^{2}$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{7 \cdot a^{2} b^{5}}{5} + 6 a b (a b))$

Step 4.3

Multiply $a$ by $a$ by adding the exponents.

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Step 4.3.1

Move $a$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{7 a^{2} b^{5}}{5} + 6 (a \cdot a) b \cdot b)$

Step 4.3.2

Multiply $a$ by $a$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{7 a^{2} b^{5}}{5} + 6 a^{2} b \cdot b)$

Step 4.4

Multiply $b$ by $b$ by adding the exponents.

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Step 4.4.1

Move $b$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{7 a^{2} b^{5}}{5} + 6 a^{2} (b \cdot b))$

Step 4.4.2

Multiply $b$ by $b$ .

$\frac{1}{2} \cdot (\frac{3 a^{4} b^{2}}{4} - \frac{7 a^{2} b^{5}}{5} + 6 a^{2} b^{2})$

Step 5

Apply the distributive property.

$\frac{1}{2} \cdot \frac{3 a^{4} b^{2}}{4} + \frac{1}{2} (- \frac{7 a^{2} b^{5}}{5}) + \frac{1}{2} (6 a^{2} b^{2})$

Step 6

Simplify.

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Step 6.1

Combine.

$\frac{1 (3 a^{4} b^{2})}{2 \cdot 4} + \frac{1}{2} (- \frac{7 a^{2} b^{5}}{5}) + \frac{1}{2} (6 a^{2} b^{2})$

Step 6.2

Multiply $\frac{1}{2} (- \frac{7 a^{2} b^{5}}{5})$ .

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Step 6.2.1

Multiply $\frac{1}{2}$ by $\frac{7 a^{2} b^{5}}{5}$ .

$\frac{1 (3 a^{4} b^{2})}{2 \cdot 4} - \frac{7 a^{2} b^{5}}{2 \cdot 5} + \frac{1}{2} (6 a^{2} b^{2})$

Step 6.2.2

Multiply $2$ by $5$ .

$\frac{1 (3 a^{4} b^{2})}{2 \cdot 4} - \frac{7 a^{2} b^{5}}{10} + \frac{1}{2} (6 a^{2} b^{2})$

Step 6.3

Cancel the common factor of $2$ .

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Step 6.3.1

Factor $2$ out of $6 a^{2} b^{2}$ .

$\frac{1 (3 a^{4} b^{2})}{2 \cdot 4} - \frac{7 a^{2} b^{5}}{10} + \frac{1}{2} (2 (3 a^{2} b^{2}))$

Step 6.3.2

Cancel the common factor.

$\frac{1 (3 a^{4} b^{2})}{2 \cdot 4} - \frac{7 a^{2} b^{5}}{10} + \frac{1}{2} (2 (3 a^{2} b^{2}))$

Step 6.3.3

Rewrite the expression.

$\frac{1 (3 a^{4} b^{2})}{2 \cdot 4} - \frac{7 a^{2} b^{5}}{10} + 3 a^{2} b^{2}$

Step 7

Simplify each term.

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Step 7.1

Multiply $3$ by $1$ .

$\frac{3 a^{4} b^{2}}{2 \cdot 4} - \frac{7 a^{2} b^{5}}{10} + 3 a^{2} b^{2}$

Step 7.2

Multiply $2$ by $4$ .

$\frac{3 a^{4} b^{2}}{8} - \frac{7 a^{2} b^{5}}{10} + 3 a^{2} b^{2}$

Step 8

Reorder $\frac{3 a^{4} b^{2}}{8}$ and $- \frac{7 a^{2} b^{5}}{10}$ .

$- \frac{7 a^{2} b^{5}}{10} + \frac{3 a^{4} b^{2}}{8} + 3 a^{2} b^{2}$