7 3y 5 ) 3 y 4 July 8, 2019 16 32 64 128 7 3y 5 )+ 3 y 4 Expand and simplify 7 3y 5 )+ 3 y 4 4 3y 3 )- 2 3y 5 )= 7 3 - 7y 5y - 3 7 + 4(3 - y) = 5(y + 2)