Question

simplify the following (x^2-y^2)^2+4x^2y^2​

Answer 1

Answer:

(x²+y²)²

Explanation:

(x²-y²)²+4x²y²

= (x²)²+(y²)²-2x²y²+4x²y²

= (x²)²+(y²)²+2x²y²

= (x²+y²)²

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