2 x 1 2 8 0 July 8, 2019 16 32 64 128 1 2 x 3 2 8 0 1 2x 2 8 0 2 2x 2 x 1 8 0 X 1 2 8 y 2 )= 0 9 2x 1 2 8 0 1 2x 2 8 0 solve by square roots