Pre-Algebra Examples

$\frac{3 m^{5} + m - 1}{m + 1}$

Step 1

Set up the polynomials to be divided. If there is not a term for every exponent, insert one with a value of $0$ .

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

Step 2

Divide the highest order term in the dividend $3 m^{5}$ by the highest order term in divisor $m$ .

$3 m^{4}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

Step 3

Multiply the new quotient term by the divisor.

$3 m^{4}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

Step 4

The expression needs to be subtracted from the dividend, so change all the signs in $3 m^{5} + 3 m^{4}$

$3 m^{4}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

Step 5

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$3 m^{4}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

Step 6

Pull the next terms from the original dividend down into the current dividend.

$3 m^{4}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

Step 7

Divide the highest order term in the dividend $- 3 m^{4}$ by the highest order term in divisor $m$ .

$3 m^{4}$

$3 m^{3}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

Step 8

Multiply the new quotient term by the divisor.

$3 m^{4}$

$3 m^{3}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

Step 9

The expression needs to be subtracted from the dividend, so change all the signs in $- 3 m^{4} - 3 m^{3}$

$3 m^{4}$

$3 m^{3}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

Step 10

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$3 m^{4}$

$3 m^{3}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

Step 11

Pull the next terms from the original dividend down into the current dividend.

$3 m^{4}$

$3 m^{3}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

Step 12

Divide the highest order term in the dividend $3 m^{3}$ by the highest order term in divisor $m$ .

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

Step 13

Multiply the new quotient term by the divisor.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

Step 14

The expression needs to be subtracted from the dividend, so change all the signs in $3 m^{3} + 3 m^{2}$

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

Step 15

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

Step 16

Pull the next terms from the original dividend down into the current dividend.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

Step 17

Divide the highest order term in the dividend $- 3 m^{2}$ by the highest order term in divisor $m$ .

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

Step 18

Multiply the new quotient term by the divisor.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

Step 19

The expression needs to be subtracted from the dividend, so change all the signs in $- 3 m^{2} - 3 m$

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

Step 20

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

$4 m$

Step 21

Pull the next terms from the original dividend down into the current dividend.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

$4 m$

$1$

Step 22

Divide the highest order term in the dividend $4 m$ by the highest order term in divisor $m$ .

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$4$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

$4 m$

$1$

Step 23

Multiply the new quotient term by the divisor.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$4$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

$4 m$

$1$

$4 m$

$4$

Step 24

The expression needs to be subtracted from the dividend, so change all the signs in $4 m + 4$

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$4$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

$4 m$

$1$

$4 m$

$4$

Step 25

After changing the signs, add the last dividend from the multiplied polynomial to find the new dividend.

$3 m^{4}$

$3 m^{3}$

$3 m^{2}$

$3 m$

$4$

$m$

$1$

$3 m^{5}$

$0 m^{4}$

$0 m^{3}$

$0 m^{2}$

$m$

$1$

$3 m^{5}$

$3 m^{4}$

$0 m^{3}$

$3 m^{4}$

$3 m^{3}$

$0 m^{2}$

$3 m^{3}$

$3 m^{2}$

$m$

$3 m^{2}$

$3 m$

$4 m$

$1$

$4 m$

$4$

$5$

Step 26

The final answer is the quotient plus the remainder over the divisor.

$3 m^{4} - 3 m^{3} + 3 m^{2} - 3 m + 4 - \frac{5}{m + 1}$