2 x 2 12 0 July 8, 2019 16 32 64 128 2 x2 x 12 0 2x 2 2 12 0 2 2x 2 x 12 0 2 x 2 5x 12 0 3 x 2 2 12 0 4 x 2 x 2 12 0 X 2 7x 2 12 0 2 4x 2 2x 12 0 X 2 12 0 quadratic formula 2 2x 12 * 2 x 32 0 X 2 12 0 solve X2 3 x 2 )+ 2x 12 0 X2 x 2 8 x2 x )+ 12 0 X 1 2 x2 2x )- 12 0 2x2 2x 12 0 дискриминант