Algebra Examples

$\frac{6 x^{9} - 5 x^{8} - 12 x^{3} + 60}{x^{6}}$

Step 1

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

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

Step 2

Divide the highest order term in the dividend $6 x^{9}$ by the highest order term in divisor $x^{6}$ .

$6 x^{3}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

Step 3

Multiply the new quotient term by the divisor.

$6 x^{3}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$6 x^{9}$

$0$

Step 4

The expression needs to be subtracted from the dividend, so change all the signs in $6 x^{9} + 0 + 0 + 0 + 0 + 0 + 0$

$6 x^{3}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$6 x^{9}$

$0$

Step 5

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

$6 x^{3}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$6 x^{9}$

$0$

$5 x^{8}$

$0$

$12 x^{3}$

Step 6

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

$6 x^{3}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$6 x^{9}$

$0$

$5 x^{8}$

$0$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

Step 7

Divide the highest order term in the dividend $- 5 x^{8}$ by the highest order term in divisor $x^{6}$ .

$6 x^{3}$

$5 x^{2}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$6 x^{9}$

$0$

$5 x^{8}$

$0$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

Step 8

Multiply the new quotient term by the divisor.

$6 x^{3}$

$5 x^{2}$

$x^{6}$

$0 x^{5}$

$0 x^{4}$

$0 x^{3}$

$0 x^{2}$

$0 x$

$0$

$6 x^{9}$

$5 x^{8}$

$0 x^{7}$

$0 x^{6}$

$0 x^{5}$

$0 x^{4}$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$6 x^{9}$

$0$

$5 x^{8}$

$0$

$12 x^{3}$

$0 x^{2}$

$0 x$

$60$

$5 x^{8}$

$0$

Step 9

The expression needs to be subtracted from the dividend, so change all the signs in $- 5 x^{8} + 0 + 0 + 0 + 0 + 0 + 0$

														$6 x^{3}$	-	$5 x^{2}$
$x^{6}$	+	$0 x^{5}$	+	$0 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$		$6 x^{9}$	-	$5 x^{8}$	+	$0 x^{7}$	+	$0 x^{6}$	+	$0 x^{5}$	+	$0 x^{4}$	-	$12 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$60$
													-	$6 x^{9}$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$
															-	$5 x^{8}$	+	$0$	+	$0$	+	$0$	+	$0$	-	$12 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$60$
															+	$5 x^{8}$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$

Step 10

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

														$6 x^{3}$	-	$5 x^{2}$
$x^{6}$	+	$0 x^{5}$	+	$0 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$		$6 x^{9}$	-	$5 x^{8}$	+	$0 x^{7}$	+	$0 x^{6}$	+	$0 x^{5}$	+	$0 x^{4}$	-	$12 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$60$
													-	$6 x^{9}$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$
															-	$5 x^{8}$	+	$0$	+	$0$	+	$0$	+	$0$	-	$12 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$60$
															+	$5 x^{8}$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$
																									-	$12 x^{3}$	+	$0$

Step 11

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

														$6 x^{3}$	-	$5 x^{2}$
$x^{6}$	+	$0 x^{5}$	+	$0 x^{4}$	+	$0 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$0$		$6 x^{9}$	-	$5 x^{8}$	+	$0 x^{7}$	+	$0 x^{6}$	+	$0 x^{5}$	+	$0 x^{4}$	-	$12 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$60$
													-	$6 x^{9}$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$
															-	$5 x^{8}$	+	$0$	+	$0$	+	$0$	+	$0$	-	$12 x^{3}$	+	$0 x^{2}$	+	$0 x$	+	$60$
															+	$5 x^{8}$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$	-	$0$
																									-	$12 x^{3}$	+	$0$	+	$0 x$	+	$60$

Step 12

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

$6 x^{3} - 5 x^{2} + \frac{- 12 x^{3} + 60}{x^{6}}$