(3x + 12) (3x - 12).
\[(a+b)(a-b)=a^2-b^2\]
FOIL FIRST OUTER INNER LAST
hmm
9x^2-144
thanks
distribute everything in the first parenthesis to the second 3x to 3x=9x 3x to -12=-36x 12 to 3x=36x 12 to -12=144 _________________________ 9x-36x+36x-144 add or subtract like terms and then you have your answer..
so confusing,
Just use Mathway.com and type in your questions.
He wont learn it doing it that way
Mathway saves time for people who know exactly what their doing
Actually, htey have a button that say's show the steps, wich, incidentally, would help him learn.
which you have to pay for
Actually, you don't.
actually you do...check sweetheart
Actually, sweetheart, you don't, because i just used it. Your attitude of superiority will get you no where. I gave him helpfull information, if he just wants the answer so he can finish his work then let him.
Actually you do, lol.
SEE!!
Never made me pay. And i just used it agian, perhaps you just pissed it off =] bye
sure, lol
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