Question

x (ao quadrado) + ×= 0

Answer 1

X^2+x=0
A= 1 B=1 C=0
Delta= b^2-4.a.c
Delta= 1^2-4.1.0
Delta= 1-0
Delta= 1

X= -b ± √delta : 2.a
X= -1 ± √1 : 2
X= -1 ± 1 : 2
X'= -1+1 :2= 0
X"= -1-1 :2= -2:2= -1