Pre-Algebra Examples

$(- 5 z^{4} - 10 z^{3} - 4 z^{2} - 2 z - 2) \div (- 5 z^{3})$

Step 1

Rewrite the division as a fraction.

$\frac{- 5 z^{4} - 10 z^{3} - 4 z^{2} - 2 z - 2}{- 5 z^{3}}$

Step 2

Move the negative in front of the fraction.

$- \frac{- 5 z^{4} - 10 z^{3} - 4 z^{2} - 2 z - 2}{5 z^{3}}$

Step 3

Factor $- 1$ out of $- 5 z^{4}$ .

$- \frac{- (5 z^{4}) - 10 z^{3} - 4 z^{2} - 2 z - 2}{5 z^{3}}$

Step 4

Factor $- 1$ out of $- 10 z^{3}$ .

$- \frac{- (5 z^{4}) - (10 z^{3}) - 4 z^{2} - 2 z - 2}{5 z^{3}}$

Step 5

Factor $- 1$ out of $- (5 z^{4}) - (10 z^{3})$ .

$- \frac{- (5 z^{4} + 10 z^{3}) - 4 z^{2} - 2 z - 2}{5 z^{3}}$

Step 6

Factor $- 1$ out of $- 4 z^{2}$ .

$- \frac{- (5 z^{4} + 10 z^{3}) - (4 z^{2}) - 2 z - 2}{5 z^{3}}$

Step 7

Factor $- 1$ out of $- (5 z^{4} + 10 z^{3}) - (4 z^{2})$ .

$- \frac{- (5 z^{4} + 10 z^{3} + 4 z^{2}) - 2 z - 2}{5 z^{3}}$

Step 8

Factor $- 1$ out of $- 2 z$ .

$- \frac{- (5 z^{4} + 10 z^{3} + 4 z^{2}) - (2 z) - 2}{5 z^{3}}$

Step 9

Factor $- 1$ out of $- (5 z^{4} + 10 z^{3} + 4 z^{2}) - (2 z)$ .

$- \frac{- (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z) - 2}{5 z^{3}}$

Step 10

Rewrite $- 2$ as $- 1 (2)$ .

$- \frac{- (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z) - 1 (2)}{5 z^{3}}$

Step 11

Factor $- 1$ out of $- (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z) - 1 (2)$ .

$- \frac{- (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2)}{5 z^{3}}$

Step 12

Rewrite $- (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2)$ as $- 1 (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2)$ .

$- \frac{- 1 (5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2)}{5 z^{3}}$

Step 13

Move the negative in front of the fraction.

$- - \frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2}{5 z^{3}}$

Step 14

Multiply $- 1$ by $- 1$ .

$1 \frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2}{5 z^{3}}$

Step 15

Multiply $\frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2}{5 z^{3}}$ by $1$ .

$\frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2}{5 z^{3}}$

Step 16

Split the fraction $\frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z + 2}{5 z^{3}}$ into two fractions.

$\frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 17

Split the fraction $\frac{5 z^{4} + 10 z^{3} + 4 z^{2} + 2 z}{5 z^{3}}$ into two fractions.

$\frac{5 z^{4} + 10 z^{3} + 4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 18

Split the fraction $\frac{5 z^{4} + 10 z^{3} + 4 z^{2}}{5 z^{3}}$ into two fractions.

$\frac{5 z^{4} + 10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 19

Split the fraction $\frac{5 z^{4} + 10 z^{3}}{5 z^{3}}$ into two fractions.

$\frac{5 z^{4}}{5 z^{3}} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 20

Cancel the common factor of $5$ .

Tap for more steps...

Step 20.1

Cancel the common factor.

$\frac{5 z^{4}}{5 z^{3}} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 20.2

Rewrite the expression.

$\frac{z^{4}}{z^{3}} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 21

Cancel the common factor of $z^{4}$ and $z^{3}$ .

Tap for more steps...

Step 21.1

Factor $z^{3}$ out of $z^{4}$ .

$\frac{z^{3} z}{z^{3}} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 21.2

Cancel the common factors.

Tap for more steps...

Step 21.2.1

Multiply by $1$ .

$\frac{z^{3} z}{z^{3} \cdot 1} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 21.2.2

Cancel the common factor.

$\frac{z^{3} z}{z^{3} \cdot 1} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 21.2.3

Rewrite the expression.

$\frac{z}{1} + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 21.2.4

Divide $z$ by $1$ .

$z + \frac{10 z^{3}}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 22

Cancel the common factor of $10$ and $5$ .

Tap for more steps...

Step 22.1

Factor $5$ out of $10 z^{3}$ .

$z + \frac{5 (2 z^{3})}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 22.2

Cancel the common factors.

Tap for more steps...

Step 22.2.1

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

$z + \frac{5 (2 z^{3})}{5 (z^{3})} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 22.2.2

Cancel the common factor.

$z + \frac{5 (2 z^{3})}{5 z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 22.2.3

Rewrite the expression.

$z + \frac{2 z^{3}}{z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 23

Cancel the common factor of $z^{3}$ .

Tap for more steps...

Step 23.1

Cancel the common factor.

$z + \frac{2 z^{3}}{z^{3}} + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 23.2

Divide $2$ by $1$ .

$z + 2 + \frac{4 z^{2}}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 24

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

Tap for more steps...

Step 24.1

Factor $z^{2}$ out of $4 z^{2}$ .

$z + 2 + \frac{z^{2} \cdot 4}{5 z^{3}} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 24.2

Cancel the common factors.

Tap for more steps...

Step 24.2.1

Factor $z^{2}$ out of $5 z^{3}$ .

$z + 2 + \frac{z^{2} \cdot 4}{z^{2} (5 z)} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 24.2.2

Cancel the common factor.

$z + 2 + \frac{z^{2} \cdot 4}{z^{2} (5 z)} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 24.2.3

Rewrite the expression.

$z + 2 + \frac{4}{5 z} + \frac{2 z}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 25

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

Tap for more steps...

Step 25.1

Factor $z$ out of $2 z$ .

$z + 2 + \frac{4}{5 z} + \frac{z \cdot 2}{5 z^{3}} + \frac{2}{5 z^{3}}$

Step 25.2

Cancel the common factors.

Tap for more steps...

Step 25.2.1

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

$z + 2 + \frac{4}{5 z} + \frac{z \cdot 2}{z (5 z^{2})} + \frac{2}{5 z^{3}}$

Step 25.2.2

Cancel the common factor.

$z + 2 + \frac{4}{5 z} + \frac{z \cdot 2}{z (5 z^{2})} + \frac{2}{5 z^{3}}$

Step 25.2.3

Rewrite the expression.

$z + 2 + \frac{4}{5 z} + \frac{2}{5 z^{2}} + \frac{2}{5 z^{3}}$