factor using ac method
mulitply 8 and -3
-24
find what 2 factors of -24 add to -2
-6 and 4
split middle up like that
8x²+4x-6x-3=0
gropu and factor
(8x²+4x)+(-6x-3)=0
4x(2x+1)+(-3)(2x+1)=0
undistribute
(4x-3)(2x+1)=0
set each to zero
4x-3=0
4x=3
x=3/4
2x+1=0
2x=-1
x=-1/2
x=-1/2 or 3/4