Answer:

Step-by-step explanation:
You could either do what I did in the above answer, or you could do this:

It does not matter how you write it, as long as you understand the concept!
I am joyous to assist you anytime.
Answer:
15 inches
Step-by-step explanation:
Answer:
0iodsg
Step-by-step explanation:
The answer would be (7<em>x</em>+2)(<em>x</em>+2)