Answers

2014-06-25T21:29:51+08:00
Answer: (3a + b)^2 or (3a + b)(3a + b)

solving: (9a^2 + 3ab + 3ab + b^2) 
=
9a^2 + 6ab + b^2
0
2014-06-25T23:38:09+08:00
Answer:

9a^2 + 6ab + b^2
= (3a + b)(3a + b) or (3a + b)^2



Hope it helps! :)
 
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