Question

simplifique a fração algébrica

x²-16 / (x+4)

Answer 1

Ola Jgns

(x² - 16)/(x + 4) = (x + 4)*(x - 4)/x + 4) = x - 4

.

Answer 2

 X² - 16       X² - 4²        ( X + 4 ) ( X - 4 )
----------- = ----------- = ------------------------ = X - 4
( X + 4 )      ( X + 4)             ( X + 4 )