3x 3 3x 2 9 )-( 5x 3 7x 2 6x 9 July 8, 2019 16 32 64 128 (3x^ 2 -3x+9)+(-5x^ 2 -8x-7) (3x 2 −3x+9)+(−5x 2 −8x−7)
