(- x 2 3x 7 )-( 4x 2 5x 2 July 8, 2019 16 32 64 128 3x 2 4x 7 x 2 5x 1 2x 2 4x 2 5x 9 x 2 6x 7 3x 2 The expression (- x 2 3x 7 )-( 4x 2 5x 2 is equivalent to 5 x 7 = 35