Question

resolva abaixo
36x² – 9

Answer 1

Raiz:

36.x² -9 = 0

36.x² = 9

x² = 9/36

x² = 1/4

x = √(1/4)

x = 1/2

Dúvidas só perguntar!

Answer 2

36×2

36x36=1,296

1,296-9=1,287