Find the Remainder (9x^4-45x^3+37x^2+x+2)÷(x-2)

$(9 x^{4} - 45 x^{3} + 37 x^{2} + x + 2) \div (x - 2)$

Step 1

To calculate the remainder, first divide the polynomials.

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

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

Divide the highest order term in the dividend $9 x^{4}$ by the highest order term in divisor $x$ .

$9 x^{3}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

Multiply the new quotient term by the divisor.

$9 x^{3}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

The expression needs to be subtracted from the dividend, so change all the signs in $9 x^{4} - 18 x^{3}$

$9 x^{3}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

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

$9 x^{3}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

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

$9 x^{3}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

Divide the highest order term in the dividend $- 27 x^{3}$ by the highest order term in divisor $x$ .

$9 x^{3}$

$27 x^{2}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

Multiply the new quotient term by the divisor.

$9 x^{3}$

$27 x^{2}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

The expression needs to be subtracted from the dividend, so change all the signs in $- 27 x^{3} + 54 x^{2}$

$9 x^{3}$

$27 x^{2}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

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

$9 x^{3}$

$27 x^{2}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

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

$9 x^{3}$

$27 x^{2}$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

Divide the highest order term in the dividend $- 17 x^{2}$ by the highest order term in divisor $x$ .

$9 x^{3}$

$27 x^{2}$

$17 x$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

Multiply the new quotient term by the divisor.

$9 x^{3}$

$27 x^{2}$

$17 x$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

The expression needs to be subtracted from the dividend, so change all the signs in $- 17 x^{2} + 34 x$

$9 x^{3}$

$27 x^{2}$

$17 x$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

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

$9 x^{3}$

$27 x^{2}$

$17 x$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

$33 x$

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

$9 x^{3}$

$27 x^{2}$

$17 x$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

$33 x$

$2$

Divide the highest order term in the dividend $- 33 x$ by the highest order term in divisor $x$ .

$9 x^{3}$

$27 x^{2}$

$17 x$

$33$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

$33 x$

$2$

Multiply the new quotient term by the divisor.

$9 x^{3}$

$27 x^{2}$

$17 x$

$33$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

$33 x$

$2$

$33 x$

$66$

The expression needs to be subtracted from the dividend, so change all the signs in $- 33 x + 66$

$9 x^{3}$

$27 x^{2}$

$17 x$

$33$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

$33 x$

$2$

$33 x$

$66$

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

$9 x^{3}$

$27 x^{2}$

$17 x$

$33$

$x$

$2$

$9 x^{4}$

$45 x^{3}$

$37 x^{2}$

$x$

$2$

$9 x^{4}$

$18 x^{3}$

$27 x^{3}$

$37 x^{2}$

$27 x^{3}$

$54 x^{2}$

$17 x^{2}$

$x$

$17 x^{2}$

$34 x$

$33 x$

$2$

$33 x$

$66$

$64$

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

$9 x^{3} - 27 x^{2} - 17 x - 33 - \frac{64}{x - 2}$

Step 2

Since the last term in the resulting expression is a fraction, the numerator of the fraction is the remainder.

$- 64$

Find the Remainder (9x^4-45x^3+37x^2+x+2)÷(x-2)

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