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Old November 4th, 2008, 11:55 PM
ninjuhtime ninjuhtime is offline
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Default HELP! Factoring!

I know how to do the simply factoring such as for 9x^2 - 25, it is (2x-3)(2x+3) but I don't get...

How to factor these:

  • m^2 + 9
  • x^2 + 5x - 14
  • d^2 - 4d + 3
  • b^2 + 3b - 4
  • x^2 + 8x + 15
  • r^2 = 14r - 51
  • n^2 - 2n - 63
  • c^2+ 3c - 10
  • h^2 + 7h - 18
  • n^2 - n - 72
  • x^2 + 14x + 24
  • p^2 - 12p - 28

and do some of these can't be factored?

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