7x 2 9x 5 0 July 8, 2019 16 32 64 128 5 7x 2 9x 0 8 2 Solve for x given 7x 2 9x 4 5x 5 0 2x в квадрате+7x-9=0 2x 7 5 7x-2 9x+0 8=2
