Question

The factors of polynomial 2x^3 -x^2 -2x+1 are?
Please answer it is for my board exam tomorrow ​

Answer 1

Answer:

The factor is 1

1(2x^3 -x^2 -2x+1)

Answer 2

$2x^3-x^2-2x+1\\\\x^2*(2x-1)-1(2x-1)\\\\(x^2-1)(2x-1)\\\\(x+1)(x-1)(2x-1)$

Thus, the zeros are 1, (- 1) and $\frac{1}{2}$.