Solve for {(x+3) + y}^3
patiently and carefully expand
(x+3+y)(x+3+y)(x+3+y)
(turn your paper sideways, you will have a lot of terms.
Hint: expand the last two trinomials first, then multiply the first one times that result)
(x+3+y)(x+3+y)(x+3+y)
(turn your paper sideways, you will have a lot of terms.
Hint: expand the last two trinomials first, then multiply the first one times that result)