SOLUTION: Can you factor this?
r^2 - 4r + 4
Algebra.Com
Question 1017653: Can you factor this?
r^2 - 4r + 4
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Can you factor this?
r^2 - 4r + 4
=================
Yes I can.
When both outside terms, r^2 & 4 here, are squares, try that first.
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eg
(x-3)^2 = x^2 - 6x + 9
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