Question

The roots of x3 + x2 - x - 1 = 0 are​

Answer 1

Step-by-step explanation:

1x=−1orx=1

Step-by-step explanation(x + 1)(x - 1)(x - 1) = 0 \\ (x + 1)( {x - 1}{2} ) = 0 x = - 1 or x = 1

(x+1)(x−1)(x−1)=0

(x+1)(x−1

2)=0

x=−1

or

x=1