Question

Resolva as equaçães do 2° grau

X(2)+(x-6)=0

Answer 1

x^2+x-6=0
x=-b±√b^2-4.a.c/2.a
a=1;b=1;c=-6
x=-1±√1^2-4.1.(-6)/2.1
x=-1±√25/2
x1=-1+5/2
4/2=2
x2=-1-5/2
-6/2=-3
x1:2;x2:-3
(2,3)