m³-2m²-4m+8因式分解,

lucong992022-10-04 11:39:541条回答

m³-2m²-4m+8因式分解,

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约尊酒商量歧路共回答了27个问题 | 采纳率81.5%: m³-2m²-4m+8
=(m³-2m²)-(4m-8)
=m²(m-2)-4(m-2)
=(m²-4)(m-2)
=(m+2)(m-2)(m-2)
=(m+2)(m-2)²; 1年前

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