Question

x2+×-6 equação do 2 graus

Answer 1

Delta=b^2-4 a.c

Delta=1^{2}-4.1(-6)

Delta=1+24

Delta=25

x=-b +-Delta/2a

x=-1+-25/2.1

x=-1+-5/2

x=-1+5/2=4/2=2

x=-1-5/2=-6/2=-3

solucao =(-3,2)