Pre-Algebra Examples

$\frac{30 r^{4} + 25 r^{3} - 45 r^{2} + 9 r + 22}{- 5 r}$

Step 1

Move the negative in front of the fraction.

$- \frac{30 r^{4} + 25 r^{3} - 45 r^{2} + 9 r + 22}{5 r}$

Step 2

Split the fraction $\frac{30 r^{4} + 25 r^{3} - 45 r^{2} + 9 r + 22}{5 r}$ into two fractions.

$- (\frac{30 r^{4} + 25 r^{3} - 45 r^{2} + 9 r}{5 r} + \frac{22}{5 r})$

Step 3

Split the fraction $\frac{30 r^{4} + 25 r^{3} - 45 r^{2} + 9 r}{5 r}$ into two fractions.

$- (\frac{30 r^{4} + 25 r^{3} - 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 4

Split the fraction $\frac{30 r^{4} + 25 r^{3} - 45 r^{2}}{5 r}$ into two fractions.

$- (\frac{30 r^{4} + 25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 5

Split the fraction $\frac{30 r^{4} + 25 r^{3}}{5 r}$ into two fractions.

$- (\frac{30 r^{4}}{5 r} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 6

Cancel the common factor of $30$ and $5$ .

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Step 6.1

Factor $5$ out of $30 r^{4}$ .

$- (\frac{5 (6 r^{4})}{5 r} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 6.2

Cancel the common factors.

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Step 6.2.1

Factor $5$ out of $5 r$ .

$- (\frac{5 (6 r^{4})}{5 (r)} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 6.2.2

Cancel the common factor.

$- (\frac{5 (6 r^{4})}{5 r} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 6.2.3

Rewrite the expression.

$- (\frac{6 r^{4}}{r} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 7

Cancel the common factor of $r^{4}$ and $r$ .

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Step 7.1

Factor $r$ out of $6 r^{4}$ .

$- (\frac{r (6 r^{3})}{r} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 7.2

Cancel the common factors.

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Step 7.2.1

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

$- (\frac{r (6 r^{3})}{r^{1}} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 7.2.2

Factor $r$ out of $r^{1}$ .

$- (\frac{r (6 r^{3})}{r \cdot 1} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 7.2.3

Cancel the common factor.

$- (\frac{r (6 r^{3})}{r \cdot 1} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 7.2.4

Rewrite the expression.

$- (\frac{6 r^{3}}{1} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 7.2.5

Divide $6 r^{3}$ by $1$ .

$- (6 r^{3} + \frac{25 r^{3}}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 8

Cancel the common factor of $25$ and $5$ .

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Step 8.1

Factor $5$ out of $25 r^{3}$ .

$- (6 r^{3} + \frac{5 (5 r^{3})}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 8.2

Cancel the common factors.

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Step 8.2.1

Factor $5$ out of $5 r$ .

$- (6 r^{3} + \frac{5 (5 r^{3})}{5 (r)} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 8.2.2

Cancel the common factor.

$- (6 r^{3} + \frac{5 (5 r^{3})}{5 r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 8.2.3

Rewrite the expression.

$- (6 r^{3} + \frac{5 r^{3}}{r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 9

Cancel the common factor of $r^{3}$ and $r$ .

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Step 9.1

Factor $r$ out of $5 r^{3}$ .

$- (6 r^{3} + \frac{r (5 r^{2})}{r} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 9.2

Cancel the common factors.

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Step 9.2.1

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

$- (6 r^{3} + \frac{r (5 r^{2})}{r^{1}} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 9.2.2

Factor $r$ out of $r^{1}$ .

$- (6 r^{3} + \frac{r (5 r^{2})}{r \cdot 1} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 9.2.3

Cancel the common factor.

$- (6 r^{3} + \frac{r (5 r^{2})}{r \cdot 1} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 9.2.4

Rewrite the expression.

$- (6 r^{3} + \frac{5 r^{2}}{1} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 9.2.5

Divide $5 r^{2}$ by $1$ .

$- (6 r^{3} + 5 r^{2} + \frac{- 45 r^{2}}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 10

Cancel the common factor of $- 45$ and $5$ .

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Step 10.1

Factor $5$ out of $- 45 r^{2}$ .

$- (6 r^{3} + 5 r^{2} + \frac{5 (- 9 r^{2})}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 10.2

Cancel the common factors.

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Step 10.2.1

Factor $5$ out of $5 r$ .

$- (6 r^{3} + 5 r^{2} + \frac{5 (- 9 r^{2})}{5 (r)} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 10.2.2

Cancel the common factor.

$- (6 r^{3} + 5 r^{2} + \frac{5 (- 9 r^{2})}{5 r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 10.2.3

Rewrite the expression.

$- (6 r^{3} + 5 r^{2} + \frac{- 9 r^{2}}{r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 11

Cancel the common factor of $r^{2}$ and $r$ .

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Step 11.1

Factor $r$ out of $- 9 r^{2}$ .

$- (6 r^{3} + 5 r^{2} + \frac{r (- 9 r)}{r} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 11.2

Cancel the common factors.

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Step 11.2.1

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

$- (6 r^{3} + 5 r^{2} + \frac{r (- 9 r)}{r^{1}} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 11.2.2

Factor $r$ out of $r^{1}$ .

$- (6 r^{3} + 5 r^{2} + \frac{r (- 9 r)}{r \cdot 1} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 11.2.3

Cancel the common factor.

$- (6 r^{3} + 5 r^{2} + \frac{r (- 9 r)}{r \cdot 1} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 11.2.4

Rewrite the expression.

$- (6 r^{3} + 5 r^{2} + \frac{- 9 r}{1} + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 11.2.5

Divide $- 9 r$ by $1$ .

$- (6 r^{3} + 5 r^{2} - 9 r + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 12

Cancel the common factor of $r$ .

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Step 12.1

Cancel the common factor.

$- (6 r^{3} + 5 r^{2} - 9 r + \frac{9 r}{5 r} + \frac{22}{5 r})$

Step 12.2

Rewrite the expression.

$- (6 r^{3} + 5 r^{2} - 9 r + \frac{9}{5} + \frac{22}{5 r})$