Simplify (x – 3y)2 – (x + 3y)2
- 2(x + 3y)
- (2x - 3y)
-
-12xy
- 6xy
The correct answer is: C
Explanation
(x - 3y)2 - (x + 3y)2 = [(x - 3y) - (x + 3y)][(x + 3y + x + 3y)] = [-6y] [2x]
= -12xy