Question

-x² + x = 0

alguém sabe resolver ?

Answer 1

$-x^{2} +x =0$

a= -1

b= 1

c = 0

$x1= x^{2} +\frac{b}{a}x=0$

$x1= x(x+\frac{b}{a}) =0$

$x1=0$

$x2=\frac{-b}{a}=\frac{-1}{-1} =1$