X 2 5x 2x 1 0 July 8, 2019 16 32 64 128 2x 2 5x 7 )( x 1 )= 0 X 3 2x 2 5x 1 0 X 4 2x 3 5x 2 2x 1 0 2 x 5 0 5x 1 2x 4 0 25 5x 2 5 4 x 2 2x 1 )= 0 2x 4 5x 2 x 1 0 2x 2 5x 1 0 solve for x
