下列因式分解中,结果正确的是[]A.2m2n-8n3=2n(m2-4n2)B.1-(x-2)2=(x-1)(x-3)C.y2-5y-6=(y-3)(y+2)D.ax2-6ax+9a=a(x-3)2-八
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题目简介
下列因式分解中,结果正确的是[]A.2m2n-8n3=2n(m2-4n2)B.1-(x-2)2=(x-1)(x-3)C.y2-5y-6=(y-3)(y+2)D.ax2-6ax+9a=a(x-3)2-八
题目详情
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B.1-(x-2)2=(x-1)(x-3)
C.y2-5y-6=(y-3)(y+2)
D.ax2-6ax+9a=a(x-3)2
答案