Answer:

Step-by-step explanation:
Answer:

Step-by-step explanation:

Okay, so of course you need to add like terms. But where should you start? Well,
and
are both like terms, so lets add them first.

Also,
,
, and
are like terms, so we can add them together too.

There isn't anymore like terms, so now we need to put it in simplest form.

Hope this helps! I actually think 2y^2 is before x^2 in the answer, but unless you need it in simplest form it shouldn't matter. Review with your teacher before turning in if you can. :))