Question

Me ajudem por favor !!!

Answer 1

$\dfrac{x+2}{x} = \dfrac{2x+7}{x+6} \Rightarrow (x+2)(x+6)=x(2x+7) \\ \\ x^2+6x+2x+12=2x^2+7x \Rightarrow 2x^2-x^2+7x-8x-12=0 \\ x^2-x-12=0 \\ S=1~e~P=-12~ \Rightarrow x=4~ou~x=-3~$