15 =- 3 2 x )- 4x July 8, 2019 16 32 64 128 X 3 4x 2 2x 15 4 x + 15 + x = 2 x + 3 4x+15+x=2 x+3 X 2 4x 3 15 quadratic formula 4x 3 12x 2 x 15 5 3 2 − x )= 15 − 4x 3 4x x 2 x 15 true
