Asked by Katie A
multiply (2t-7)(2t+7)
Would the answer be 4t^2-28t-49?
or are the signs wrong???
Would the answer be 4t^2-28t-49?
or are the signs wrong???
Answers
Answered by
Steve
No, the +14t cancels the -14t, leaving
4t^2 - 49
Pay attention to those + and - signs...
4t^2 - 49
Pay attention to those + and - signs...
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