You can put this solution on YOUR website! I assume, you were asked to simplify the expression .
It has 4 terms, 2 terms in x, and 2 terms in y.
You could "collect like terms" , adding together the terms in x, and adding together the terms in y to start.
Then you "take out" common factors , and
So, I would write
NOTE:
When doing homework it is advisable to respect your teacher's preferences and stated or unwritten rules.
Your teacher may not like to see several equivalent expressions stringed together by equal signs, as I wrote above.
Your teacher may want you to describe and or explain each step and each equal sign.