2 x 2 5x 0 July 8, 2019 16 32 64 128 2x 2 2 5x 0 X 2 5x 2 0 completing the square 2 x 2 5x 3 0 2 x 2 5x 6 0 2 x 2 5x 12 0 $2 x 2 5x 13 0 X 2 5x 2 0 discriminant 2 x 5 )- x 2 5x 0 X 2 2 5x 1 0 X 2 5x 0 неравенство X 2 5x 0 дискриминант X 2 5x 2 4 0 X 2 5x 2 36 0 X 2 25x 0
