Question

The roots of the equation (x+1)(x-2) + x = 0 are 



Real and different

Real and equal

Imaginary

None of these​

Answer 1

Equation can be simplified to:
x^2 - x -2 + x = 0
x^2 - 2 = 0
x^2 = 2
x = plus minus root 2

Thus, Option (a), Roots are Real and Different