问题标题:
(mx²+my²)²-4m²x²y²的分解因式
问题描述:
(mx²+my²)²-4m²x²y²的分解因式
付玉锦回答:
(mx²+my²)²-4m²x²y²=(mx²)²+2m²x²y²+(my²)²-4m²x²y²=(mx²)²-2m²x²y²+(my²)²=(...
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