SOLUTION: multiply - (2x-1)(2x+1)

Question 77643: multiply -
(2x-1)(2x+1)
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
In order to multiply terms in parenthesis, we have to foil the terms. So we multiply the first terms together to get . Then we multiply the outer terms together and the inner terms . Finally we multiply the last terms to finally get

Now combine like terms
Notice the x terms cancel
So foils (ie multiplies) to
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