The answer to an addition problem is called a sum
Hope this helps!
Answer:A
Step-by-step explanation:
Answer:
A
Step-by-step explanation:
We take a look at this expression:
and notice that both terms are square numbers.
and
.
There is a specific formula that I highly recommend you memorize involving differences of squares. It states that given the difference of squares
, it can always be factored into
.
Here, we can apply that. In this case, a = 7x and b = 3. So:

Thus, the answer is A.
Hope this helps!
50x30=1500 (this is an approximated rounded answer)
area = 7×2+7×2+11×2 = 50sq ft