X 2 2x 3 x 1 0 July 8, 2019 16 32 64 128 X 4 2x 3 x 2 1 0 X 3 2x 2 3x 1 0 3x 4 2x 3 5x 2 x 1 0 X 4 2x 3 3x 2 4x 1 0 5 2x log x 2 4x 3 x 1 0 2x 3 x 1 6 x 2 2 0 X 5 x 4 2x 3 2x 2 x 1 0 3x 2 2x x 1 x x 2 )= 0 3 x 2 )( 4 x 1 8 2x 1 0 X 2 2x 3 x 2 1 less than 0 X 5 )( 2x 3 )/( x 1 2 = 0 X 3 x 2 2x 1 0 roots Solve x 3 x 2 2x 1 0