Related Post: 1 2x )( 2 3x )( 1 4x 1 2 2x 1 3 3x 1 8 4x 1 2x 1 2 4 X 1 )( X 1 )= 3x 2x 3x 3 4 X 1 2 1 )/( X 1 4 )) (1-2x)^-2 Expansion 3 Times 2x^2 1/3 Times 2x