see
http://www.jiskha.com/display.cgi?id=1269460487
Please don't switch names when you repost a question. First you were Meghan now you are Angel
How do you do this problem because i feel like i did it wrong
(3�ã2 + 4)^2
(3�ã2 + 4)(3�ã2 + 4)
9�ã4 + 12�ã2 + 12�ã2 + 16
9*2�ã2 + 12�ã2 + 12�ã2 + 16
18�ã2 + 12�ã2 + 12�ã2 + 16 =
42�ã2 + 16
2 answers
expanding you will get 9a^4+24a^2+16
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