Question

(a2 + b2) (a2+ b2) – (a2– b2) (a2 – b2)​

Answer 1

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(a²+b²)(a²+b²)-(a²-b²)(a²-b²)

a²+2ab+b²+a²+b²+2ab-a²+2ab-b²+a²-2ab+b²

3a²+6ab+3b²

Answer 2

Answer:

(a²+b²)(a²+b²)-(a²-b²)(a²-b²)

a²+2ab+b²+a²+b²+2ab-a²+2ab-b²+a²-2ab+b²

3a²+6ab+3b²

Step-by-step explanation: