2x 2 4x 1 ) ( 5x x 2 1 July 8, 2019 16 32 64 128 2x 2 4x 1 )+( 5x x 2 1 What is the sum 2x 2 4x 1 )+( 5x x 2 1 2x 1 x 2 4x 4 5x x 2 25x 5x 10 0 6x 3 5x 2 4x 1 2x 2 x 1
