7x 3 left 5x 2 3x 1 right July 8, 2019 16 32 64 128 Left(7x^ 5 right) left(9x^ 3 right)(7x5)(9x3) 5 x 7 = 35 Left(-7x^ 5 right) left(9x^ 5 right)(−7x5)(9x5) Left(7x^ 3 +7x right)+ left(5x^ 3 -5x right)
