(7x^3 - 5) + (8 - 3y + 2y^3)
7x^3-5+8-3y+2y^3
Look for common terms
7x^3+3-3y+2y^3
You can reorder it if you want.
You are very welcome!
:P
7x^3 + 2y^3 - 3y +3 is the answer.
~~Hypotenuisance