2x 5 x 2 7 0 July 8, 2019 16 32 64 128 2x 5x 2 7 0 через дискриминант 2x 2 5x 7 0 discriminant X x 2 1 )+ 5 1 2x )- 7 0 2x 4 5x 2 7 0 X 5 )( 2x 2 5x 7 )= 0 2x 2 5x 7 0 quadratic formula 2x 2 5x 7 0 completing the square 2x 2 5x 7 0 factoring X 3 2 2x 5 x 1 3x 7 0
