Simplify: 100 x 100 - 50 x 50 Choose the correct choice from the following answers:
A) 7612  B) 7614  C) 7500  D) 7615  E) None of them
(100)^2 - (50)^2 = (100 + 50) (100 - 50) = 150 x 50 = 7500.   Answer is 7500.
<result>C</result>
Simplify: 100 x 100 - 50 x 50