18 x 2 7x July 8, 2019 16 32 64 128 X 2 7x 18 0 X 2 7x 18 factor X 2 7x 18 0 quadratic formula X 2 7x 18 0 solve by factoring X 2 7x 18 0 виета X 2 3x 18 x 2 7x 6 X 2 7x 18 0 solve Y x 2 7x 18 X 2 7x 18 x 9 X2 7x 18 x 2 18 7x 25 2 x 4 X 2 7x 18 0 factored X 2 7x 18 0 factored form X 2 7x 18 quadratic formula