15-03-2015
Mathematics

contestada

Having problems in factorization. Please tell me how to solve this

[tex] x^{2} [/tex]-7x-18

Respuesta :

konrad509 konrad509

15-03-2015

[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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