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

$\frac{3 x^{5} + x^{4} - 4 x^{2}}{x}$

Step 1

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

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

Step 2

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

$3 x^{4}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

Step 3

Multiply the new quotient term by the divisor.

$3 x^{4}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

Step 4

The expression needs to be subtracted from the dividend, so change all the signs in $3 x^{5} + 0$

$3 x^{4}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

Step 5

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

$3 x^{4}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

Step 6

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

$3 x^{4}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

Step 7

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

$3 x^{4}$

$x^{3}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

Step 8

Multiply the new quotient term by the divisor.

$3 x^{4}$

$x^{3}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

Step 9

The expression needs to be subtracted from the dividend, so change all the signs in $x^{4} + 0$

$3 x^{4}$

$x^{3}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

Step 10

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

$3 x^{4}$

$x^{3}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

Step 11

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

$3 x^{4}$

$x^{3}$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

$4 x^{2}$

$0 x$

Step 12

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

$3 x^{4}$

$x^{3}$

$0 x^{2}$

$4 x$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

$4 x^{2}$

$0 x$

Step 13

Multiply the new quotient term by the divisor.

$3 x^{4}$

$x^{3}$

$0 x^{2}$

$4 x$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

$4 x^{2}$

$0 x$

$4 x^{2}$

$0$

Step 14

The expression needs to be subtracted from the dividend, so change all the signs in $- 4 x^{2} + 0$

$3 x^{4}$

$x^{3}$

$0 x^{2}$

$4 x$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

$4 x^{2}$

$0 x$

$4 x^{2}$

$0$

Step 15

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

$3 x^{4}$

$x^{3}$

$0 x^{2}$

$4 x$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

$4 x^{2}$

$0 x$

$4 x^{2}$

$0$

Step 16

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

$3 x^{4}$

$x^{3}$

$0 x^{2}$

$4 x$

$x$

$0$

$3 x^{5}$

$x^{4}$

$0 x^{3}$

$4 x^{2}$

$0 x$

$0$

$3 x^{5}$

$0$

$x^{4}$

$0 x^{3}$

$x^{4}$

$0$

$4 x^{2}$

$0 x$

$4 x^{2}$

$0$

Step 17

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

$3 x^{4} + x^{3} + 0 x^{2} - 4 x$

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

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