Question

Expand :(a+2) (a-2)​

Answer 1

Answer:

(a+2) (a-2)

As we know,

(a+b) (a-b) = a²-b²

so ,

(a+2) (a-2) = a²- 2²

= a²-4

Answer 2

Answer:

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Step-by-step explanation:

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