X 2 7x 0 July 8, 2019 16 32 64 128 X 2 7x 0 solve by factoring X 2 7x 0 неравенство X 2 27x 0 X 2 7x 12 0 X 2 7x 10 0 X 2 7x 6 0 X 2 7x 18 0 X 2 7x 8 0 X 2 7x 3 0 X 2 7x 30 0 X 2 7x 4 0 X 2 7x 1 0 X 2 7x 5 0 X 2 7x 60 0 X 2 7x 10 0 quadratic formula