Question

3. Find the factors of the polynomial 2 x + x-1 Solution :- 2x + x-1 =2x + = 2x(x+1)-1 =x+1)(​

Answer 1

Answer:

x3−2x2−x+2

=x2(x−2)−1(x−2)

=(x−2)(x2−1)

=(x−2)(x+1)(x−1)