SOLUTION: Factor each polynomial , if possible. 7a2-7

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Question 359701: Factor each polynomial , if possible.
7a2-7
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the caret (^) to denote an exponent.
7a%5E2-7=7%28a%5E2-1%29
Difference of two squares.
7a%5E2-7=7%28a-1%29%28a%2B1%29