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负16m^2-48m^4+24m^6因式分解
人气:401 ℃ 时间:2020-09-11 15:18:34
解答
-16m^2-48m^4+24m^6
=8m^2(3m^4-6m^2-2)
=8m^2[3(m^4-2m^2+1)-3-2]
=8m^2[3(m^2-1)^2-5]
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