Algebra Examples

$(6 y^{4} + 23 y^{3} + k y^{2} + 18 y + 18) \div (3 + y)$

Step 1

Reorder $3$ and $y$ .

$\frac{6 y^{4} + 23 y^{3} + k y^{2} + 18 y + 18}{y + 3}$

Step 2

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

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

Step 3

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

$6 y^{3}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

Step 4

Multiply the new quotient term by the divisor.

$6 y^{3}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

Step 5

The expression needs to be subtracted from the dividend, so change all the signs in $6 y^{4} + 18 y^{3}$

$6 y^{3}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

Step 6

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

$6 y^{3}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

Step 7

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

$6 y^{3}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

Step 8

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

$6 y^{3}$

$5 y^{2}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

Step 9

Multiply the new quotient term by the divisor.

$6 y^{3}$

$5 y^{2}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

Step 10

The expression needs to be subtracted from the dividend, so change all the signs in $5 y^{3} + 15 y^{2}$

$6 y^{3}$

$5 y^{2}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

Step 11

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

$6 y^{3}$

$5 y^{2}$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

Step 12

Divide the highest order term in the dividend $y^{2} k$ by the highest order term in divisor $y$ .

$6 y^{3}$

$5 y^{2}$

$y k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

Step 13

Multiply the new quotient term by the divisor.

$6 y^{3}$

$5 y^{2}$

$y k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

Step 14

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

$6 y^{3}$

$5 y^{2}$

$y k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

Step 15

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

$6 y^{3}$

$5 y^{2}$

$y k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

Step 16

Divide the highest order term in the dividend $- 15 y^{2}$ by the highest order term in divisor $y$ .

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

Step 17

Multiply the new quotient term by the divisor.

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

Step 18

The expression needs to be subtracted from the dividend, so change all the signs in $- 15 y^{2} - 45 y$

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

Step 19

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

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

Step 20

Divide the highest order term in the dividend $- 3 y k$ by the highest order term in divisor $y$ .

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

Step 21

Multiply the new quotient term by the divisor.

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

Step 22

The expression needs to be subtracted from the dividend, so change all the signs in $- 3 k y - 9 k$

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

Step 23

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

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

$45 y$

$9 k$

Step 24

Divide the highest order term in the dividend $45 y$ by the highest order term in divisor $y$ .

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$45$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

$45 y$

$9 k$

Step 25

Multiply the new quotient term by the divisor.

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$45$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

$45 y$

$9 k$

$45 y$

$135$

Step 26

The expression needs to be subtracted from the dividend, so change all the signs in $45 y + 135$

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$45$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

$45 y$

$9 k$

$45 y$

$135$

Step 27

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

$6 y^{3}$

$5 y^{2}$

$y k$

$15 y$

$3 k$

$45$

$y$

$3$

$6 y^{4}$

$23 y^{3}$

$y^{2} k$

$18 y$

$18$

$6 y^{4}$

$18 y^{3}$

$5 y^{3}$

$y^{2} k$

$5 y^{3}$

$15 y^{2}$

$y^{2} k$

$15 y^{2}$

$y^{2} k$

$3 y k$

$15 y^{2}$

$3 y k$

$15 y^{2}$

$45 y$

$3 y k$

$45 y$

$3 k y$

$9 k$

$45 y$

$9 k$

$45 y$

$135$

$9 k$

$135$

Step 28

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

$6 y^{3} + 5 y^{2} + y k - 15 y - 3 k + 45 + \frac{9 k - 135}{y + 3}$