2 4x 5 0 July 8, 2019 16 32 64 128 X 2 4x 5 0 2x 2 4x 5 0 3x 2 4x 5 0 X 2 4x 5 0 solve X 2 4x 5 0 quadratic formula X 2 4x 5 0 solve by factoring X 2 4x 5 0 complete the square 8x 2 4x 5 0 X 2 4x 5 0 дискриминант X 2 4x 5 0 discriminant 3x 2 4x 5 0 discriminant X 2 4x 5 0 graph 5x 2 4x 5 0 12x 2 4x 5 0 2x 2 4x 5 0 discriminant