Pre-Algebra Examples

$(4 a^{6} + 12 a^{5} + 13 a^{4} + 6 a^{3} + 4 a^{2} + 6 a^{4}) \div (2 a^{2} + 3 a + 2)$

Step 1

Expand $4 a^{6} + 12 a^{5} + 13 a^{4} + 6 a^{3} + 4 a^{2} + 6 a^{4}$ .

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Step 1.1

Move $4 a^{2}$ .

$\frac{4 a^{6} + 12 a^{5} + 13 a^{4} + 6 a^{3} + 6 a^{4} + 4 a^{2}}{2 a^{2} + 3 a + 2}$

Step 1.2

Move $6 a^{3}$ .

$\frac{4 a^{6} + 12 a^{5} + 13 a^{4} + 6 a^{4} + 6 a^{3} + 4 a^{2}}{2 a^{2} + 3 a + 2}$

Step 1.3

Add $13 a^{4}$ and $6 a^{4}$ .

$\frac{4 a^{6} + 12 a^{5} + 19 a^{4} + 6 a^{3} + 4 a^{2}}{2 a^{2} + 3 a + 2}$

Step 2

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

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

Step 3

Divide the highest order term in the dividend $4 a^{6}$ by the highest order term in divisor $2 a^{2}$ .

$2 a^{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

Step 4

Multiply the new quotient term by the divisor.

$2 a^{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

Step 5

The expression needs to be subtracted from the dividend, so change all the signs in $4 a^{6} + 6 a^{5} + 4 a^{4}$

$2 a^{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

Step 6

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

$2 a^{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

Step 7

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

$2 a^{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

Step 8

Divide the highest order term in the dividend $6 a^{5}$ by the highest order term in divisor $2 a^{2}$ .

$2 a^{4}$

$3 a^{3}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

Step 9

Multiply the new quotient term by the divisor.

$2 a^{4}$

$3 a^{3}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

Step 10

The expression needs to be subtracted from the dividend, so change all the signs in $6 a^{5} + 9 a^{4} + 6 a^{3}$

$2 a^{4}$

$3 a^{3}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

Step 11

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

$2 a^{4}$

$3 a^{3}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

Step 12

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

$2 a^{4}$

$3 a^{3}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

Step 13

Divide the highest order term in the dividend $6 a^{4}$ by the highest order term in divisor $2 a^{2}$ .

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

Step 14

Multiply the new quotient term by the divisor.

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

Step 15

The expression needs to be subtracted from the dividend, so change all the signs in $6 a^{4} + 9 a^{3} + 6 a^{2}$

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

Step 16

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

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

Step 17

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

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

Step 18

Divide the highest order term in the dividend $- 9 a^{3}$ by the highest order term in divisor $2 a^{2}$ .

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

Step 19

Multiply the new quotient term by the divisor.

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

Step 20

The expression needs to be subtracted from the dividend, so change all the signs in $- 9 a^{3} - \frac{27 a^{2}}{2} - 9 a$

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

Step 21

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

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

$\frac{23 a^{2}}{2}$

$9 a$

Step 22

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

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

$\frac{23 a^{2}}{2}$

$9 a$

$0$

Step 23

Divide the highest order term in the dividend $\frac{23 a^{2}}{2}$ by the highest order term in divisor $2 a^{2}$ .

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$\frac{23}{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

$\frac{23 a^{2}}{2}$

$9 a$

$0$

Step 24

Multiply the new quotient term by the divisor.

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$\frac{23}{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

$\frac{23 a^{2}}{2}$

$9 a$

$0$

$\frac{23 a^{2}}{2}$

$\frac{69 a}{4}$

$\frac{23}{2}$

Step 25

The expression needs to be subtracted from the dividend, so change all the signs in $\frac{23 a^{2}}{2} + \frac{69 a}{4} + \frac{23}{2}$

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$\frac{23}{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

$\frac{23 a^{2}}{2}$

$9 a$

$0$

$\frac{23 a^{2}}{2}$

$\frac{69 a}{4}$

$\frac{23}{2}$

Step 26

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

$2 a^{4}$

$3 a^{3}$

$3 a^{2}$

$\frac{9 a}{2}$

$\frac{23}{4}$

$2 a^{2}$

$3 a$

$2$

$4 a^{6}$

$12 a^{5}$

$19 a^{4}$

$6 a^{3}$

$4 a^{2}$

$0 a$

$0$

$4 a^{6}$

$6 a^{5}$

$4 a^{4}$

$6 a^{5}$

$15 a^{4}$

$6 a^{3}$

$6 a^{5}$

$9 a^{4}$

$6 a^{3}$

$6 a^{4}$

$0$

$4 a^{2}$

$0 a$

$6 a^{4}$

$9 a^{3}$

$6 a^{2}$

$9 a^{3}$

$2 a^{2}$

$0 a$

$9 a^{3}$

$\frac{27 a^{2}}{2}$

$9 a$

$\frac{23 a^{2}}{2}$

$9 a$

$0$

$\frac{23 a^{2}}{2}$

$\frac{69 a}{4}$

$\frac{23}{2}$

$\frac{33 a}{4}$

$\frac{23}{2}$

Step 27

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

$2 a^{4} + 3 a^{3} + 3 a^{2} - \frac{9 a}{2} + \frac{23}{4} + \frac{- \frac{33 a}{4} - \frac{23}{2}}{2 a^{2} + 3 a + 2}$