Question

Divide: (a4-16)by(a+2)​

Answer 1

Answer:

(a^4-16)÷(a+2)

={(a^2)^2-(4)^2}÷(a+2)

=(a^2+4)(a^2-4)÷(a+2)

=(a^2+4){(a)^2-(2)^2}÷(a+2)

=(a^2+4)(a+2)(a-2)÷(a+2)

=(a^2+4)(a-2)