giordanos10
giordanos10 giordanos10
  • 16-08-2018
  • Mathematics
contestada

Divide and state the quotient in simplest form.

x^2-9⁢x+18/x+1 ÷x^2+x-12/x+1

Respuesta :

gmany
gmany gmany
  • 16-08-2018

[tex] \dfrac{x^2-9x+18}{x+1}\div\dfrac{x^2+x-12}{x+1}=\dfrac{x^2-9x+18}{x+1}\cdot\dfrac{x+1}{x^2+x-12}\\\\=\dfrac{x^2-9x+18}{x^2+x-12}=\dfrac{x^2-6x-3x+18}{x^2+4x-3x-12}=\dfrac{x(x-6)-3(x-6)}{x(x+4)-3(x+4)}\\\\=\dfrac{(x-6)(x-3)}{(x+4)(x-3)}=\dfrac{x-6}{x+4} [/tex]

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