Question

find any two factor of 2x²+x-1=0

Answer 1

hope it helps you !

Answer 2

2x^2+x-1 =0
2x^2 +(2-1)x-1 =0
2x^2 +2x-x -1 = 0
2x( x+1)-1(x+1) =0
(2x-1 )(x+1)
x=1/2
x=-1