Pre-Algebra Examples

$\frac{- 2 s^{8} t^{4} - 4 s^{6} t^{2} - 5 s^{3} t - 8}{s^{2} t}$

Step 1

Factor $- 1$ out of $- 2 s^{8} t^{4}$ .

$\frac{- (2 s^{8} t^{4}) - 4 s^{6} t^{2} - 5 s^{3} t - 8}{s^{2} t}$

Step 2

Factor $- 1$ out of $- 4 s^{6} t^{2}$ .

$\frac{- (2 s^{8} t^{4}) - (4 s^{6} t^{2}) - 5 s^{3} t - 8}{s^{2} t}$

Step 3

Factor $- 1$ out of $- (2 s^{8} t^{4}) - (4 s^{6} t^{2})$ .

$\frac{- (2 s^{8} t^{4} + 4 s^{6} t^{2}) - 5 s^{3} t - 8}{s^{2} t}$

Step 4

Factor $- 1$ out of $- 5 s^{3} t$ .

$\frac{- (2 s^{8} t^{4} + 4 s^{6} t^{2}) - (5 s^{3} t) - 8}{s^{2} t}$

Step 5

Factor $- 1$ out of $- (2 s^{8} t^{4} + 4 s^{6} t^{2}) - (5 s^{3} t)$ .

$\frac{- (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t) - 8}{s^{2} t}$

Step 6

Rewrite $- 8$ as $- 1 (8)$ .

$\frac{- (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t) - 1 (8)}{s^{2} t}$

Step 7

Factor $- 1$ out of $- (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t) - 1 (8)$ .

$\frac{- (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t + 8)}{s^{2} t}$

Step 8

Rewrite $- (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t + 8)$ as $- 1 (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t + 8)$ .

$\frac{- 1 (2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t + 8)}{s^{2} t}$

Step 9

Move the negative in front of the fraction.

$- \frac{2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t + 8}{s^{2} t}$

Step 10

Split the fraction $\frac{2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t + 8}{s^{2} t}$ into two fractions.

$- (\frac{2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 11

Split the fraction $\frac{2 s^{8} t^{4} + 4 s^{6} t^{2} + 5 s^{3} t}{s^{2} t}$ into two fractions.

$- (\frac{2 s^{8} t^{4} + 4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 12

Split the fraction $\frac{2 s^{8} t^{4} + 4 s^{6} t^{2}}{s^{2} t}$ into two fractions.

$- (\frac{2 s^{8} t^{4}}{s^{2} t} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 13

Cancel the common factor of $s^{8}$ and $s^{2}$ .

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Step 13.1

Factor $s^{2}$ out of $2 s^{8} t^{4}$ .

$- (\frac{s^{2} (2 s^{6} t^{4})}{s^{2} t} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 13.2

Cancel the common factors.

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Step 13.2.1

Factor $s^{2}$ out of $s^{2} t$ .

$- (\frac{s^{2} (2 s^{6} t^{4})}{s^{2} (t)} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 13.2.2

Cancel the common factor.

$- (\frac{s^{2} (2 s^{6} t^{4})}{s^{2} t} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 13.2.3

Rewrite the expression.

$- (\frac{2 s^{6} t^{4}}{t} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 14

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

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Step 14.1

Factor $t$ out of $2 s^{6} t^{4}$ .

$- (\frac{t (2 s^{6} t^{3})}{t} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 14.2

Cancel the common factors.

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Step 14.2.1

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

$- (\frac{t (2 s^{6} t^{3})}{t^{1}} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 14.2.2

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

$- (\frac{t (2 s^{6} t^{3})}{t \cdot 1} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 14.2.3

Cancel the common factor.

$- (\frac{t (2 s^{6} t^{3})}{t \cdot 1} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 14.2.4

Rewrite the expression.

$- (\frac{2 s^{6} t^{3}}{1} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 14.2.5

Divide $2 s^{6} t^{3}$ by $1$ .

$- (2 s^{6} t^{3} + \frac{4 s^{6} t^{2}}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 15

Cancel the common factor of $s^{6}$ and $s^{2}$ .

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Step 15.1

Factor $s^{2}$ out of $4 s^{6} t^{2}$ .

$- (2 s^{6} t^{3} + \frac{s^{2} (4 s^{4} t^{2})}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 15.2

Cancel the common factors.

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Step 15.2.1

Factor $s^{2}$ out of $s^{2} t$ .

$- (2 s^{6} t^{3} + \frac{s^{2} (4 s^{4} t^{2})}{s^{2} (t)} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 15.2.2

Cancel the common factor.

$- (2 s^{6} t^{3} + \frac{s^{2} (4 s^{4} t^{2})}{s^{2} t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 15.2.3

Rewrite the expression.

$- (2 s^{6} t^{3} + \frac{4 s^{4} t^{2}}{t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 16

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

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Step 16.1

Factor $t$ out of $4 s^{4} t^{2}$ .

$- (2 s^{6} t^{3} + \frac{t (4 s^{4} t)}{t} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 16.2

Cancel the common factors.

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Step 16.2.1

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

$- (2 s^{6} t^{3} + \frac{t (4 s^{4} t)}{t^{1}} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 16.2.2

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

$- (2 s^{6} t^{3} + \frac{t (4 s^{4} t)}{t \cdot 1} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 16.2.3

Cancel the common factor.

$- (2 s^{6} t^{3} + \frac{t (4 s^{4} t)}{t \cdot 1} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 16.2.4

Rewrite the expression.

$- (2 s^{6} t^{3} + \frac{4 s^{4} t}{1} + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 16.2.5

Divide $4 s^{4} t$ by $1$ .

$- (2 s^{6} t^{3} + 4 s^{4} t + \frac{5 s^{3} t}{s^{2} t} + \frac{8}{s^{2} t})$

Step 17

Cancel the common factor of $s^{3}$ and $s^{2}$ .

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Step 17.1

Factor $s^{2}$ out of $5 s^{3} t$ .

$- (2 s^{6} t^{3} + 4 s^{4} t + \frac{s^{2} (5 s t)}{s^{2} t} + \frac{8}{s^{2} t})$

Step 17.2

Cancel the common factors.

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Step 17.2.1

Factor $s^{2}$ out of $s^{2} t$ .

$- (2 s^{6} t^{3} + 4 s^{4} t + \frac{s^{2} (5 s t)}{s^{2} (t)} + \frac{8}{s^{2} t})$

Step 17.2.2

Cancel the common factor.

$- (2 s^{6} t^{3} + 4 s^{4} t + \frac{s^{2} (5 s t)}{s^{2} t} + \frac{8}{s^{2} t})$

Step 17.2.3

Rewrite the expression.

$- (2 s^{6} t^{3} + 4 s^{4} t + \frac{5 s t}{t} + \frac{8}{s^{2} t})$

Step 18

Cancel the common factor of $t$ .

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Step 18.1

Cancel the common factor.

$- (2 s^{6} t^{3} + 4 s^{4} t + \frac{5 s t}{t} + \frac{8}{s^{2} t})$

Step 18.2

Divide $5 s$ by $1$ .

$- (2 s^{6} t^{3} + 4 s^{4} t + 5 s + \frac{8}{s^{2} t})$