Answer: -(x - 2)(x + 2)(y - x)(y + x)
Step-by-step explanation:
Factor the following polynomial completely.
-x2y2 + x4 + 4y2 - 4x2
I assume the polynomial is as follows:
-x^2y^2 + x^4 + 4y^2 - 4x^2
Therefore:
-(x - 2)(x + 2)(y - x)(y + x)
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