Question

(a²- b²) (a² +b²) - (a² – b²)²
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Answer 1

Step-by-step explanation:

i hope it will help you..

Answer 2

Answer:

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

Step-by-step explanation:

{(a^2)^2 - (b^2) ^2} - {(a^2)^2 + (b^2)^2 - 2 a^2 b^2}

a^4 - b^4 - a^4 - b^4 + 2 a^2 b^2

2a^2 b^2 - 2b^4

2b^2 (a^2 - b^2)

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

I think it is correct

if it helps you then vote me