Remember that squaring something is just multiplying that number by itself.
What are you trying to ask can you post a pic with the exact question?
Answer:
They are b and c.
Step-by-step explanation:
Let's simplify each expression:
a. b+2 (b+2b)
= b + 2b + 4b = 7b.
b. 3b + b = 4b.
c. 2(2b) = 2 * 2b = 4b.
Answer:
yes they are not equal because (x + a) = 2x + 2a