Question

Gente me ajudem a resolver essa conta

Answer 1

$.~~~~x^3-6x^2-x+30~~~|~x^2-x-6\\.-x^3+x^2+6x~~~~~~~~~~~x-5\\.~~~~~~-5x^2+5x+30\\.~~~~~~+5x^2-5x-30\\.~~~~~~~~~~~~~~~~0$

$\dfrac{x^3-6x^2-x+30}{x^2-x-6}=x-5$