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