6x^2 + 8x - 128 = 0 factorize it pls
6x^2 + 8x - 128 = 0 divide everything by 2
3x^2 + 4x - 64 = 0 factor... and set each factor to 0
(3x + 16) (x - 4) = 0
One solution is x = 4
The other is x = -16/3