Question

The solutions to the equation 2x^2+x-1=2 are x=-3/2 or x= ?

Answer 1

x=-3/2 or x=1

Explanation:

Photomath

Answer 2

1

Explanation:

2x^2 + x -1 = 2

2x^2 + x-1-2 = 0

2x^2 + x -3 = 0

2x^2 -2x + 3x-3 = 0

2x(x-1) + 3(x-1) = 0

(2x + 3)(x-1) = 0

2x + 3 = 0

or x-1 = 0

x = -3/2 or 1