{x}^(2) + x - 2 solve this with first X last method​

Question

`{x}^(2) + x - 2`
solve this with first X last method​

Answer 1

`x=-2,1`

Explanation:

`x^2+x-2=0\\(x+2)(x-1)=0\\x_1=-2,x_2=1`