SOLUTION: what is (7+2a)(7-2a)

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Question 229851: what is (7+2a)(7-2a)
Found 2 solutions by ly12603, rfer:
Answer by ly12603(44) About Me  (Show Source):
Answer by rfer(16322) About Me  (Show Source):
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49-14a+14a-4a^2
-4a^2+49
or
49-4a^2