Divide Using Long Polynomial Division (4x^5-11x^4+15x^3-19x^2+3x+12)/(4x^2-3x-3)

$\frac{4 x^{5} - 11 x^{4} + 15 x^{3} - 19 x^{2} + 3 x + 12}{4 x^{2} - 3 x - 3}$

Step 1

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

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

Step 2

Divide the highest order term in the dividend $4 x^{5}$ by the highest order term in divisor $4 x^{2}$ .

$x^{3}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

Step 3

Multiply the new quotient term by the divisor.

$x^{3}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

Step 4

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

$x^{3}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

Step 5

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

$x^{3}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

Step 6

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

$x^{3}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

Step 7

Divide the highest order term in the dividend $- 8 x^{4}$ by the highest order term in divisor $4 x^{2}$ .

$x^{3}$

$2 x^{2}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

Step 8

Multiply the new quotient term by the divisor.

$x^{3}$

$2 x^{2}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

Step 9

The expression needs to be subtracted from the dividend, so change all the signs in $- 8 x^{4} + 6 x^{3} + 6 x^{2}$

$x^{3}$

$2 x^{2}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

Step 10

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

$x^{3}$

$2 x^{2}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

Step 11

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

$x^{3}$

$2 x^{2}$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

Step 12

Divide the highest order term in the dividend $12 x^{3}$ by the highest order term in divisor $4 x^{2}$ .

$x^{3}$

$2 x^{2}$

$3 x$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

Step 13

Multiply the new quotient term by the divisor.

$x^{3}$

$2 x^{2}$

$3 x$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

Step 14

The expression needs to be subtracted from the dividend, so change all the signs in $12 x^{3} - 9 x^{2} - 9 x$

$x^{3}$

$2 x^{2}$

$3 x$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

Step 15

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

$x^{3}$

$2 x^{2}$

$3 x$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

$16 x^{2}$

$12 x$

Step 16

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

$x^{3}$

$2 x^{2}$

$3 x$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

$16 x^{2}$

$12 x$

$12$

Step 17

Divide the highest order term in the dividend $- 16 x^{2}$ by the highest order term in divisor $4 x^{2}$ .

$x^{3}$

$2 x^{2}$

$3 x$

$4$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

$16 x^{2}$

$12 x$

$12$

Step 18

Multiply the new quotient term by the divisor.

$x^{3}$

$2 x^{2}$

$3 x$

$4$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

$16 x^{2}$

$12 x$

$12$

$16 x^{2}$

$12 x$

$12$

Step 19

The expression needs to be subtracted from the dividend, so change all the signs in $- 16 x^{2} + 12 x + 12$

$x^{3}$

$2 x^{2}$

$3 x$

$4$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

$16 x^{2}$

$12 x$

$12$

$16 x^{2}$

$12 x$

$12$

Step 20

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

$x^{3}$

$2 x^{2}$

$3 x$

$4$

$4 x^{2}$

$3 x$

$3$

$4 x^{5}$

$11 x^{4}$

$15 x^{3}$

$19 x^{2}$

$3 x$

$12$

$4 x^{5}$

$3 x^{4}$

$3 x^{3}$

$8 x^{4}$

$18 x^{3}$

$19 x^{2}$

$8 x^{4}$

$6 x^{3}$

$6 x^{2}$

$12 x^{3}$

$25 x^{2}$

$3 x$

$12 x^{3}$

$9 x^{2}$

$9 x$

$16 x^{2}$

$12 x$

$12$

$16 x^{2}$

$12 x$

$12$

$0$

Step 21

Since the remander is $0$ , the final answer is the quotient.

$x^{3} - 2 x^{2} + 3 x - 4$

Divide Using Long Polynomial Division (4x^5-11x^4+15x^3-19x^2+3x+12)/(4x^2-3x-3)

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