Question

8 x ao quadrado menos 16 x = 0

Answer 1

8x² - 16x = 0
x.(8x - 16) = 0

x' = 0

8x" - 16 = 0
8x" = 16
x" = 2

V = {0; 2}

Answer 2

8x² - 16x = 0
8x (x - 2) = 0
8x = 0 ➡️ x = 0
x - 2 = 0 ➡️ x = 2