3x^2=4x+4
3x^2 = 4x + 4 I assume you want to solve this
Move everything on the right to the left side and set the right side = 0 so we have
3x^2 - 4x - 4 = 0 factor
(3x + 2) (x - 2 ) = 0 and setting each factor to 0, we have that x = -2/3 and x = 2