Question

( x + 5) ( x - 5 ) = 0 ?
resolvampor favor

Answer 1

(x+5)*(x-5)=0
x²-5x+5x-25=0
x²-25=0
x²=25
x=√25
x=5

Answer 2

(x+5)(x-5) = 0
x² -5x + 5x - 5² =  0
x² - 25 = 0
x² = 25
√x = √25
x = 5 ou x = -5

Espero ter ajudado.