4x^2 + 6x -2 = (x-1)^2
4x^2 +6x -2 -x^2+2x-1=0
3x^2 +8x -3=0
D = 64+36=100
x1= (-8+10)/2= 1/3
x2= -18/6=-3
4x^2 + 6x -2 = (x-1)^2
4x^2 +6x -2 -x^2+2x-1=0
3x^2 +8x -3=0
D = 64+36=100
x1= (-8+10)/2= 1/3
x2= -18/6=-3