SOLUTION: Factor each expression as a difference of squares. 4p^2-(q-2r)^2 x^2-2xy+y^2-4

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Question 471197: Factor each expression as a difference of squares.
4p^2-(q-2r)^2
x^2-2xy+y^2-4
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
1.
4p%5E2-%28q-2r%29%5E2+

%282p%29%5E2-%28q-2r%29%5E2+

%28%282p%29-%28q-2r%29%29%28%282p%29%2B%28q-2r%29%29+

%282p-q%2B2r%29%282p%2Bq-2r%29+

2.
x%5E2-2xy%2By%5E2-4.group

%28x%5E2-2xy%2By%5E2%29-4

%28x-y%29%5E2-4

%28x-y%29%5E2-2%5E2

%28%28x-y%29-2%29%28%28x-y%29%2B2%29

%28x-y-2%29%28x-y%2B2%29