Question

(x-1) is a factor of 2x³ + x² - 2x-1

Solution please step by step ​

Answer 1

Answer:

given, 2x³+x²−2x−1

=x²(2x+1)−1(2x+1)

=(x²−1)(2x+1)

=(x+1)(x−1)(2x+1)