Question

x2-36= alguem fatora pra mim.

Answer 1

x² - 36 = 0 

x² = 36 

x = √36 

x' = 6
x'' = -6                        ok

Answer 2

Oie, Td Bom?!

$= x {}^{2} - 36$

$= x {}^{2} - 6 {}^{2}$

$= (x - 6) \: . \: (x + 6)$

Att. Makaveli1996