Answer:
(a + 2)
Step-by-step explanation:
[tex]\frac{a^{2} - 4}{2 - 2}[/tex]
Now first work for the numerator.
=[tex]\frac{a^{2} - 2^{2} }{a - 2}[/tex]
numerator is in the form of a^2 - b^2 formula , SO,
=(a - 2)(a + 2)/a-2
(a-2) of both numerator and denominator gets cancel.
=(a + 2)