X 4 x 3 3x 2 2x 2 0 July 8, 2019 16 32 64 128 X 4 4x 3 3x 2 2x 1 0 X 4 x 3 2x 2 3x 1 0 X 4 3x 3 2x 2 x 2 x 30 0 X 4 2x 3 4x 2 3x 2 0 X 1 )( x 2 2x 4 )- x 3 3x 2 16 0 Diminish by 2 the roots of the equation x 4 x 3 3x 2 2x 4 0
