You just need to plug those expressions inside the formula: it doesn't matter if they're expressions involving a variable instead of plain numbers: the formula becomes

If you want, you can simplify it by expanding the square and then multiply the two parenthesis:

Answer:
It wont let me eat either day or night I cant get one?
<h3>
Answer: x3 +2 +x+x+</h3>
Step-by-step explanation: