Basic Math Examples

(3 - \frac{9 m - 1}{m + 3 m^{2}}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 - \frac{9 m - 1}{m + 3 m^{2}}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 1

Factor

m

$m$ out of

m + 3 m^{2}

$m + 3 m^{2}$ .

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Step 1.1

Raise

m

$m$ to the power of

1

$1$ .

(3 - \frac{9 m - 1}{m^{1} + 3 m^{2}}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 - \frac{9 m - 1}{m^{1} + 3 m^{2}}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 1.2

Factor

m

$m$ out of

m^{1}

$m^{1}$ .

(3 - \frac{9 m - 1}{m \cdot 1 + 3 m^{2}}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 - \frac{9 m - 1}{m \cdot 1 + 3 m^{2}}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 1.3

Factor

m

$m$ out of

3 m^{2}

$3 m^{2}$ .

(3 - \frac{9 m - 1}{m \cdot 1 + m (3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 - \frac{9 m - 1}{m \cdot 1 + m (3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 1.4

Factor

m

$m$ out of

m \cdot 1 + m (3 m)

$m \cdot 1 + m (3 m)$ .

(3 - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})$

(3 - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 2

To write

3

$3$ as a fraction with a common denominator, multiply by

\frac{m (1 + 3 m)}{m (1 + 3 m)}

$\frac{m (1 + 3 m)}{m (1 + 3 m)}$ .

(3 \cdot \frac{m (1 + 3 m)}{m (1 + 3 m)} - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(3 \cdot \frac{m (1 + 3 m)}{m (1 + 3 m)} - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 3

Simplify terms.

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Step 3.1

Combine

3

$3$ and

\frac{m (1 + 3 m)}{m (1 + 3 m)}

$\frac{m (1 + 3 m)}{m (1 + 3 m)}$ .

(\frac{3 (m (1 + 3 m))}{m (1 + 3 m)} - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})

$(\frac{3 (m (1 + 3 m))}{m (1 + 3 m)} - \frac{9 m - 1}{m (1 + 3 m)}) \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 3.2

Combine the numerators over the common denominator.

\frac{3 (m (1 + 3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m (1 + 3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

\frac{3 (m (1 + 3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m (1 + 3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4

Simplify the numerator.

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Step 4.1

Apply the distributive property.

\frac{3 (m \cdot 1 + m (3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m \cdot 1 + m (3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.2

Multiply

m

$m$ by

1

$1$ .

\frac{3 (m + m (3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m + m (3 m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.3

Rewrite using the commutative property of multiplication.

\frac{3 (m + 3 m \cdot m) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m + 3 m \cdot m) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.4

Multiply

m

$m$ by

m

$m$ by adding the exponents.

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Step 4.4.1

Move

m

$m$ .

\frac{3 (m + 3 (m \cdot m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m + 3 (m \cdot m)) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.4.2

Multiply

m

$m$ by

m

$m$ .

\frac{3 (m + 3 m^{2}) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m + 3 m^{2}) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

\frac{3 (m + 3 m^{2}) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 (m + 3 m^{2}) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.5

Apply the distributive property.

\frac{3 m + 3 (3 m^{2}) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 m + 3 (3 m^{2}) - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.6

Multiply

3

$3$ by

3

$3$ .

\frac{3 m + 9 m^{2} - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 m + 9 m^{2} - (9 m - 1)}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.7

Apply the distributive property.

\frac{3 m + 9 m^{2} - (9 m) - - 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 m + 9 m^{2} - (9 m) - - 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.8

Multiply

9

$9$ by

- 1

$- 1$ .

\frac{3 m + 9 m^{2} - 9 m - - 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 m + 9 m^{2} - 9 m - - 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.9

Multiply

- 1

$- 1$ by

- 1

$- 1$ .

\frac{3 m + 9 m^{2} - 9 m + 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{3 m + 9 m^{2} - 9 m + 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.10

Subtract

9 m

$9 m$ from

3 m

$3 m$ .

\frac{9 m^{2} - 6 m + 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{9 m^{2} - 6 m + 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.11

Factor using the perfect square rule.

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Step 4.11.1

Rewrite

9 m^{2}

$9 m^{2}$ as

{(3 m)}^{2}

${(3 m)}^{2}$ .

\frac{{(3 m)}^{2} - 6 m + 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{{(3 m)}^{2} - 6 m + 1}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.11.2

Rewrite

1

$1$ as

1^{2}

$1^{2}$ .

\frac{{(3 m)}^{2} - 6 m + 1^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{{(3 m)}^{2} - 6 m + 1^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.11.3

Check that the middle term is two times the product of the numbers being squared in the first term and third term.

6 m = 2 \cdot (3 m) \cdot 1

$6 m = 2 \cdot (3 m) \cdot 1$

Step 4.11.4

Rewrite the polynomial.

\frac{{(3 m)}^{2} - 2 \cdot (3 m) \cdot 1 + 1^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{{(3 m)}^{2} - 2 \cdot (3 m) \cdot 1 + 1^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 4.11.5

Factor using the perfect square trinomial rule

a^{2} - 2 a b + b^{2} = {(a - b)}^{2}

$a^{2} - 2 a b + b^{2} = {(a - b)}^{2}$ , where

a = 3 m

$a = 3 m$ and

b = 1

$b = 1$ .

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{9 m - 3})$

Step 5

Simplify terms.

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Step 5.1

Factor

3

$3$ out of

9 m - 3

$9 m - 3$ .

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Step 5.1.1

Factor

3

$3$ out of

9 m

$9 m$ .

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m) - 3})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m) - 3})$

Step 5.1.2

Factor

3

$3$ out of

- 3

$- 3$ .

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m) + 3 (- 1)})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m) + 3 (- 1)})$

Step 5.1.3

Factor

3

$3$ out of

3 (3 m) + 3 (- 1)

$3 (3 m) + 3 (- 1)$ .

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m - 1)})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m - 1)})$

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m - 1)})

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)} \cdot (m + 1 + \frac{4}{3 (3 m - 1)})$

Step 5.2

Multiply

\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2}}{m (1 + 3 m)}$ by

m + 1 + \frac{4}{3 (3 m - 1)}

$m + 1 + \frac{4}{3 (3 m - 1)}$ .

\frac{{(3 m - 1)}^{2} (m + 1 + \frac{4}{3 (3 m - 1)})}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (m + 1 + \frac{4}{3 (3 m - 1)})}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} (m + 1 + \frac{4}{3 (3 m - 1)})}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (m + 1 + \frac{4}{3 (3 m - 1)})}{m (1 + 3 m)}$

Step 6

Simplify the numerator.

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Step 6.1

To write

m

$m$ as a fraction with a common denominator, multiply by

\frac{3 (3 m - 1)}{3 (3 m - 1)}

$\frac{3 (3 m - 1)}{3 (3 m - 1)}$ .

\frac{{(3 m - 1)}^{2} (m \cdot \frac{3 (3 m - 1)}{3 (3 m - 1)} + \frac{4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (m \cdot \frac{3 (3 m - 1)}{3 (3 m - 1)} + \frac{4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.2

Combine

m

$m$ and

\frac{3 (3 m - 1)}{3 (3 m - 1)}

$\frac{3 (3 m - 1)}{3 (3 m - 1)}$ .

\frac{{(3 m - 1)}^{2} (\frac{m (3 (3 m - 1))}{3 (3 m - 1)} + \frac{4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{m (3 (3 m - 1))}{3 (3 m - 1)} + \frac{4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.3

Combine the numerators over the common denominator.

\frac{{(3 m - 1)}^{2} (\frac{m (3 (3 m - 1)) + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{m (3 (3 m - 1)) + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4

Simplify the numerator.

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Step 6.4.1

Rewrite using the commutative property of multiplication.

\frac{{(3 m - 1)}^{2} (\frac{3 m (3 m - 1) + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 m (3 m - 1) + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4.2

Apply the distributive property.

\frac{{(3 m - 1)}^{2} (\frac{3 m (3 m) + 3 m \cdot - 1 + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 m (3 m) + 3 m \cdot - 1 + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4.3

Rewrite using the commutative property of multiplication.

\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m \cdot m + 3 m \cdot - 1 + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m \cdot m + 3 m \cdot - 1 + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4.4

Multiply

- 1

$- 1$ by

3

$3$ .

\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m \cdot m - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m \cdot m - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4.5

Simplify each term.

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Step 6.4.5.1

Multiply

m

$m$ by

m

$m$ by adding the exponents.

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Step 6.4.5.1.1

Move

m

$m$ .

\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 (m \cdot m) - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 (m \cdot m) - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4.5.1.2

Multiply

m

$m$ by

m

$m$ .

\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{3 \cdot 3 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.4.5.2

Multiply

3

$3$ by

3

$3$ .

\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + 1)}{m (1 + 3 m)}$

Step 6.5

Write

1

$1$ as a fraction with a common denominator.

\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + \frac{3 (3 m - 1)}{3 (3 m - 1)})}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} (\frac{9 m^{2} - 3 m + 4}{3 (3 m - 1)} + \frac{3 (3 m - 1)}{3 (3 m - 1)})}{m (1 + 3 m)}$

Step 6.6

Combine the numerators over the common denominator.

\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 3 (3 m - 1)}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 3 (3 m - 1)}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7

Simplify the numerator.

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Step 6.7.1

Apply the distributive property.

\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 3 (3 m) + 3 \cdot - 1}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 3 (3 m) + 3 \cdot - 1}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.2

Multiply

3

$3$ by

3

$3$ .

\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 9 m + 3 \cdot - 1}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 9 m + 3 \cdot - 1}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.3

Multiply

3

$3$ by

- 1

$- 1$ .

\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 9 m - 3}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{9 m^{2} - 3 m + 4 + 9 m - 3}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.4

Add

- 3 m

$- 3 m$ and

9 m

$9 m$ .

\frac{{(3 m - 1)}^{2} \frac{9 m^{2} + 6 m + 4 - 3}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{9 m^{2} + 6 m + 4 - 3}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.5

Subtract

3

$3$ from

4

$4$ .

\frac{{(3 m - 1)}^{2} \frac{9 m^{2} + 6 m + 1}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{9 m^{2} + 6 m + 1}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.6

Factor using the perfect square rule.

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Step 6.7.6.1

Rewrite

9 m^{2}

$9 m^{2}$ as

{(3 m)}^{2}

${(3 m)}^{2}$ .

\frac{{(3 m - 1)}^{2} \frac{{(3 m)}^{2} + 6 m + 1}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{{(3 m)}^{2} + 6 m + 1}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.6.2

Rewrite

1

$1$ as

1^{2}

$1^{2}$ .

\frac{{(3 m - 1)}^{2} \frac{{(3 m)}^{2} + 6 m + 1^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{{(3 m)}^{2} + 6 m + 1^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 6.7.6.3

Check that the middle term is two times the product of the numbers being squared in the first term and third term.

6 m = 2 \cdot (3 m) \cdot 1

$6 m = 2 \cdot (3 m) \cdot 1$

Step 6.7.6.4

Rewrite the polynomial.

\frac{{(3 m - 1)}^{2} \frac{{(3 m)}^{2} + 2 \cdot (3 m) \cdot 1 + 1^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}

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

Step 6.7.6.5

Factor using the perfect square trinomial rule

a^{2} + 2 a b + b^{2} = {(a + b)}^{2}

$a^{2} + 2 a b + b^{2} = {(a + b)}^{2}$ , where

a = 3 m

$a = 3 m$ and

b = 1

$b = 1$ .

\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}$

\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}

$\frac{{(3 m - 1)}^{2} \frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 7

Simplify terms.

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Step 7.1

Combine

${(3 m - 1)}^{2}$ and

$\frac{{(3 m + 1)}^{2}}{3 (3 m - 1)}$ .

$\frac{\frac{{(3 m - 1)}^{2} {(3 m + 1)}^{2}}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 7.2

Reduce the expression

$\frac{{(3 m - 1)}^{2} {(3 m + 1)}^{2}}{3 (3 m - 1)}$ by cancelling the common factors.

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Step 7.2.1

Factor

$3 m - 1$ out of

${(3 m - 1)}^{2} {(3 m + 1)}^{2}$ .

$\frac{\frac{(3 m - 1) ((3 m - 1) {(3 m + 1)}^{2})}{3 (3 m - 1)}}{m (1 + 3 m)}$

Step 7.2.2

Factor

$3 m - 1$ out of

$3 (3 m - 1)$ .

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

Step 7.2.3

Cancel the common factor.

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

Step 7.2.4

Rewrite the expression.

$\frac{\frac{(3 m - 1) {(3 m + 1)}^{2}}{3}}{m (1 + 3 m)}$

Step 8

Multiply the numerator by the reciprocal of the denominator.

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

Step 9

Combine.

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

Step 10

Cancel the common factor of

${(3 m + 1)}^{2}$ and

$1 + 3 m$ .

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Step 10.1

Reorder terms.

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

Step 10.2

Factor

$3 m + 1$ out of

$(3 m - 1) {(3 m + 1)}^{2} \cdot 1$ .

$\frac{(3 m + 1) (((3 m - 1) (3 m + 1)) \cdot 1)}{3 (m (3 m + 1))}$

Step 10.3

Cancel the common factors.

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Step 10.3.1

Factor

$3 m + 1$ out of

$3 (m (3 m + 1))$ .

$\frac{(3 m + 1) (((3 m - 1) (3 m + 1)) \cdot 1)}{(3 m + 1) (3 (m))}$

Step 10.3.2

Cancel the common factor.

$\frac{(3 m + 1) (((3 m - 1) (3 m + 1)) \cdot 1)}{(3 m + 1) (3 (m))}$

Step 10.3.3

Rewrite the expression.

$\frac{((3 m - 1) (3 m + 1)) \cdot 1}{3 (m)}$

Step 11

Multiply

$3 m - 1$ by

$1$ .

$\frac{(3 m - 1) (3 m + 1)}{3 m}$