(a^2-b^2)(a^2+b^2)-(a^2-b^2)^2
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Answer:
2a²b²
Step-by-step explanation:
(a²-b²)(a²+b²)-(a²-b²)²
=(a⁴ + b⁴)-(a⁴ + b⁴ - 2a²b²)
=a⁴ + b⁴ - a⁴ - b⁴ + 2a²b²
=2a²b²
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