Question

resolver as equações incompleta do2° grau
5x²-5x=0

Answer 1

5*2-4.5.0
delta = 25
5-5/2.5=0
-5-5/2.5=- 1
ou seja raiz é x1=0
x2=-1

Answer 2

x (5×-5) = 0
× = 0
5×-5 = 0
5× = +5
× = 5/5
× = 1
R: [ ×=0 e ×=1 ]