问题标题:
16-8(x-y)+(x-y)²求因式分解
问题描述:
16-8(x-y)+(x-y)²求因式分解
陈亚利回答:
16-8(x-y)+(x-y)²
=[4-(x-y)]²
=(4-x+y)²
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16-8(x-y)+(x-y)²求因式分解