SOLUTION: (x + y)(x - y)

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Question 21994: (x + y)(x - y)
Answer by Alwayscheerful(414) About Me  (Show Source):
You can put this solution on YOUR website!
First step is to use FOIL
First
Outer
Inner
Last
You should have this:
x%5E2-xy%2Bxy-y%5E2
Answer:
highlight%28x%5E2-y%5E2%29
HINT:
If you know the difference of squares:
x%5E2-y%5E2=%28x-y%29%28x%2By%29
It'll make math easier and quicker, so try to remember that.
Hope this helps!