3 7x 5 9x July 8, 2019 16 32 64 128 7x 3 )-( 9x 7 )= 5 4 7x 3 5 9x 2 (7x 5 )(9x 3 ) simplified 7x 5 )( 9x 3 answer 7x 5 9x 18 3 X 3 7x 2 9x 5 5 x 7 = 35 3 x-5=x+3