Question

9. A funcao quadratica 2x² - 8x=0​

Answer 1

Olá,

$2 {x}^{2} - 8x = 0$

$2x(x - 4) = 0$

$2x = 0 = > x = 0$

$x - 4 = 0 = > x = 4$

S: {0; 4)