Answers

2014-08-16T11:26:37+08:00
1.(y+4)(y+1)
 (Y-4)(y+1)
2.both of them cannot be factored
3.(x-3)(x+3)
  cannot be factored
4.(m+5)(m+1)
   (m-2)(m+1)
5. Cannot be factored.

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