Question

x elevado a 2 - 2x =0

Answer 1

$x^2-2x=0 \\ \\ x(x-2)=0 \\ \\ x_{1} =0 \\ \\ x-2=0 \\ \\ x_{2} =2$

S={0,2}

Answer 2

x² - 2x = 0
x.(x - 2) = 0
x = 0

x - 2 = 0
x = 2

R.: x = 0 e x = 2