GennieKisselburg807 GennieKisselburg807

06-08-2014
Mathematics

Answered

Factor x^2 + 7x -18 Please help

Answer :

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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