Answer:
im not positive but I think the answer is 7x+5
Answer:
See explanation
Step-by-step explanation:
We want to verify that:

Verifying from left, we have

Expand the perfect square in the right:

We expand to get:

We simplify to get:

Cancel common factors:

This finally gives:

Answer:
8 feet
12 inches equals 1 foot, so 8 inches is a lot smaller than 8 feet.