How do you find the remainder when $x^3+2x^2-19x-20$ is divided by x-1?

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Answer 1 · 2018-04-29T11:23:00

Remainder is $-36$

If we divide a polynomial $f(x)$ by $(x - h)$ , then the remainder

is $f(h) ; f(x)= x^3+2 x^2 -19 x - 20 ; h=1$

$f(1)= 1^3+2* 1^2 -19 *1 - 20 = -36$

Remainder is $-36$ [Ans]

How do you find the remainder when x^3+2x^2-19x-20x^3+2x^2-19x-20 is divided by x-1?