(m四次方-18m²+81)/)/(m²-6m+9)计算

(m四次方-18m²+81)/)/(m²-6m+9)计算
(m四次方-18m²+81)/)/(m²-6m+9)计算

(m四次方-18m²+81)/)/(m²-6m+9)计算
(m四次方-18m²+81)/)/(m²-6m+9)
=(m^2-9)^2/(m-3)^2
=(m-3)^2(m+3)^2/(m-3)^2
=(m+3)^2
=m^2+6m+9

原式
=（m-3）²分之（m²-9）²
=（m-3）²分之[（m+3）²（m-3）²]
=（m+3）²
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原式
=（m-3）²分之（m²-9）²
=（m-3）²分之[（m+3）²（m-3）²]
=（m+3）²
很高兴为你解答，祝你学习进步！一刻永远523 为你解答~~
如果你认可我的回答，请点击下面的【选为满意回答】按钮，谢谢~~
如果还有其它问题，请另外向我求助，答题不易，敬请理解~~

收起

(m四次方-18m²+81)/)/(m²-6m+9)
=(m²-9)²/(m-3)²
=(m+3)²(m-3)²/(m-3)²
=(m+3)²
=m²+6m+9那(m四次方-18m²+81)/)/(m²-6m+9)计算？(m四次方-18m²...

全部展开

(m四次方-18m²+81)/)/(m²-6m+9)
=(m²-9)²/(m-3)²
=(m+3)²(m-3)²/(m-3)²
=(m+3)²
=m²+6m+9

收起

原式=(m²-9)² / (m-3)²
=(m+3)²(m-3)² /(m-3)²
=(m+3)²
希望有帮到你哦！