5x 2 2x 4 0 July 8, 2019 16 32 64 128 5x 2 2x 4 0 quadratic formula 2x 3 5x 2 4 0 2x 2 5x 4 0 discriminant X 4 5x 2 2x 11 0 2x 4 5x 2 12 0 X 4 4x 3 5x 2 2x 0 2x 4 5x 2 1 0 2x 4 5x 3 3x 2 0 X 4 2x 3 5x 2 8x 4 0 5x 2 2x 4 x 3 0 2x 4 5x 2 7 0 2 x 5 0 5x 1 2x 4 0 25 Solve 5x 2 2x 4 0 5x x 2 )- 2x 4 0 5x 2 6xy 3y 2 2x 4 0