Find the Quotient (6x^4+15x^2-8-20x^3)÷(-x^2+2x-1)

$(6 x^{4} + 15 x^{2} - 8 - 20 x^{3}) \div (- x^{2} + 2 x - 1)$

Expand $6 x^{4} + 15 x^{2} - 8 - 20 x^{3}$ .

Move $- 8$ .

$\frac{6 x^{4} + 15 x^{2} - 20 x^{3} - 8}{- x^{2} + 2 x - 1}$

Move $15 x^{2}$ .

$\frac{6 x^{4} - 20 x^{3} + 15 x^{2} - 8}{- x^{2} + 2 x - 1}$

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

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

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

						-	$6 x^{2}$
-	$x^{2}$	+	$2 x$	-	$1$		$6 x^{4}$	-	$20 x^{3}$	+	$15 x^{2}$	+	$0 x$	-	$8$

Multiply the new quotient term by the divisor.

$6 x^{2}$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

The expression needs to be subtracted from the dividend, so change all the signs in $6 x^{4} - 12 x^{3} + 6 x^{2}$

$6 x^{2}$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

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

$6 x^{2}$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

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

$6 x^{2}$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

Divide the highest order term in the dividend $- 8 x^{3}$ by the highest order term in divisor $- x^{2}$ .

$6 x^{2}$

$8 x$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

Multiply the new quotient term by the divisor.

$6 x^{2}$

$8 x$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

The expression needs to be subtracted from the dividend, so change all the signs in $- 8 x^{3} + 16 x^{2} - 8 x$

$6 x^{2}$

$8 x$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

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

$6 x^{2}$

$8 x$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

$7 x^{2}$

$8 x$

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

$6 x^{2}$

$8 x$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

$7 x^{2}$

$8 x$

$8$

Divide the highest order term in the dividend $- 7 x^{2}$ by the highest order term in divisor $- x^{2}$ .

$6 x^{2}$

$8 x$

$7$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

$7 x^{2}$

$8 x$

$8$

Multiply the new quotient term by the divisor.

$6 x^{2}$

$8 x$

$7$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

$7 x^{2}$

$8 x$

$8$

$7 x^{2}$

$14 x$

$7$

The expression needs to be subtracted from the dividend, so change all the signs in $- 7 x^{2} + 14 x - 7$

$6 x^{2}$

$8 x$

$7$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

$7 x^{2}$

$8 x$

$8$

$7 x^{2}$

$14 x$

$7$

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

$6 x^{2}$

$8 x$

$7$

$x^{2}$

$2 x$

$1$

$6 x^{4}$

$20 x^{3}$

$15 x^{2}$

$0 x$

$8$

$6 x^{4}$

$12 x^{3}$

$6 x^{2}$

$8 x^{3}$

$9 x^{2}$

$0 x$

$8 x^{3}$

$16 x^{2}$

$8 x$

$7 x^{2}$

$8 x$

$8$

$7 x^{2}$

$14 x$

$7$

$6 x$

$1$

The quotient is $- 6 x^{2} + 8 x + 7$ .

$- 6 x^{2} + 8 x + 7$

Find the Quotient (6x^4+15x^2-8-20x^3)÷(-x^2+2x-1)

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