Question

- x ao quadrado + 16 x = 0

Answer 1

Simples, passo a passo!

$- x^{2} +16x=0 *(-1) \\ \\ x^{2} -16x=0 \\ \\ x(x-16)=0 \\ \\ x=0 \\ \\ x-16=0 \\ \\ x=16$

S = { 0 , 16 }

Valeu! ^^

Answer 2

- x² + 16x = 0

x • ( - x + 16 ) = 0

x= 0

- x + 16 = 0

- x = - 16 (-1)

x= 16

S= ( 0 , 16)