Question

(x + 2) (x – 2) (x2 + 4)​

Answer 1

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Answer 2

Answer:

(x^4-16)

Step-by-step explanation:

(x^2-2^2)(x^2+4)

(x^2-4)(x^2+4)

(x^4-4^2)

(x^4-16)

formula used:

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