Simplify (x - 3y)2 - (x + 3y)2
A
2(x + 3y)
B
(2x - 3y)
C
-12xy
D
6xy
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
(x - 3y)2 - (x + 3y)2 = [(x - 3y) - (x + 3y)]
[(x + 3y + x + 3y)] = [-6y] [2x]
= -12xy
Source: Myschool Past Questions Archive (Record #36475)