15 3 x 4 ) 2x 3 July 8, 2019 16 32 64 128 15 3 x 4 )+ 2x 3 15 3 x 4 )= 2x 2 3 x 4 15 2 34x 15 x 2x 3 4 x + 15 + x = 2 x + 3 4x+15+x=2 x+3 3 15 x 4 15 - 3 x 2 15 x 4 - 2
