SOLUTION: I don't understand how to do this question. I have to multiply (7t-8)(7t+8)

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Question 463800: I don't understand how to do this question. I have to multiply (7t-8)(7t+8)
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
(7t-8)(7t+8)
49t^2+56t-56t-64
answer
49^2-64