Question

Find the roots for the polynomial y = (x + 1)(x – 1)(x – 2).
A. –1, 1, 2
B. 0, 1, 2
C. 1, 2
D. –1, 1, –2

Answer 1

The roots of a polynomials are expressed like this : y= (x-a)(x-b)(x-c) with a, b and c being the roots.

Answer 2

A.

Answer 3

LMAO if you're a human calculator why can't you do this yourself?