X 2 2 2x 5 0 July 8, 2019 16 32 64 128 X 2 2x 5 0 quadratic formula X 2 2x 5 0 комплексные числа X 2 1 4 )( 2x 2 5 )= 0 X 1 2 2x 5 2 0 X 7 2 2x 5 2 0 X 2 7x 12 2x 2 4x 5 0 3 2x 1 2 x 2 5 0 3x 2 2x 5 )( x 2 )= 0 X 2 y 2 2x 4y 5 0 X 2 2y 2 2x 8y 5 0 X 2 y 2 2x 6y 5 0 X 3 x 2 2x 2 5 0 2 x2 2x 5 0 2x 1 5 x 2 2 0 7x X 2 )( x 5 2 3 2x 4 )= 0