Question

find the product (a-2) (a+2) a2+4)​

Answer 1

Answer:

formula used

a²-b²=(a-b)(a+b)

hope it helps ☺️...........

Answer 2

a^4-16

Step-by-step explanation:

we know that (a-b)(a+b)=a^2-b^2

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

so, (a^2-4)a^2+4)=a^4-16