2x 2 50 0 July 8, 2019 16 32 64 128 2x 2 50 0 дискриминант 2x 2 50 0 quadratic equation 2x 2 50 0 solve by factoring 2x 2 50 0 square root 2x 2 20x 50 0 2x 2 16x 50 0 2x 2 12x 50 0 2x 2 21x 50 0 X 2 2x 50 0 2x 4 52x 2 50 0 X 3 2x 2 25x 50 0 3x 3 2x 2 75x 50 0 2x 2 15x 50 0 Solve 2x 2 50 0 2x 2 19x 50 0