Question

12 ao quadrado-3x +6 =0​

Answer 1

12² - 3x + 6 = 0

144 - 3x + 6 = 0

150 - 3x = 0

-3x = -150

x = 50

S = {50}

Answer 2

Resposta:

12²= 144.

-3x+6=0

-3x= -144+6+0

-3x= -138.

x= -138÷ 3

X= -46