Solve 4x 2 12x 5 July 8, 2019 16 32 64 128 Solve 4x 2 12x 5 0 Using the quadratic formula solve 4x 2 12x 5 0 Factor to solve the equation 4x 2 12x 5 =- 4 Solve 4x ^ 2 - 5x - 12 = Solve 4x ^ 2 - 5x - 12 = 0