Question

x auquadrado -8x  igual a 0

Answer 1

$x^2-8x=0 \\ \\ x(x-8)=0 \\ \\ x_1=0 \\ \\ x_2=8$

Answer 2

x² - 8x = 0
x(x - 8) =0
x=0

x-8 = 0
x= 8

S= {0,8}