How do you find the quotient of (2x^3+7x^2-x+1)div(x+2) using synthetic division?

1 Answer
May 25, 2017

The quotient is =2x^2+3x-7

Explanation:

Let's perform the synthetic division

color(white)(aaaa)-2color(white)(aaaaa)|color(white)(aaaa)2color(white)(aaaaaa)7color(white)(aaaaaa)-1color(white)(aaaaa)1
color(white)(aaaaaaaaaaaa)_________

color(white)(aaaa)color(white)(aaaaaaa)|color(white)(aaaa)color(white)(aaaaaa)-4color(white)(aaaaaa)-6color(white)(aaaa)14
color(white)(aaaaaaaaaaaa)________

color(white)(aaaa)color(white)(aaaaaaa)|color(white)(aaaa)2color(white)(aaaaaaa)3color(white)(aaaaaa)-7color(white)(aaaa)color(red)(15)

(2x^3+7x^2-x+1)/(x+2)=(2x^2+3x-7)+15/(x+2)

The remainder is =15 and the quotient is =2x^2+3x-7