GennieKisselburg807 GennieKisselburg807
  • 06-08-2014
  • Mathematics
Answered

Factor x^2 + 7x -18 Please help



Answer :

konrad509
konrad509 konrad509
  • 06-08-2014
[tex]x^2 + 7x -18=\\ x^2-2x+9x-18=\\ x(x-2)+9(x-2)=\\ (x+9)(x-2)[/tex]
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