m^4-4m^3+4m^2-9因式分解

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m^4-4m^3+4m^2-9因式分解
m^4-4m^3+4m^2-9因式分解

m^4-4m^3+4m^2-9因式分解
m^4-4m^3+4m^2-9
=m^2(m^2-4m+4)-9
=m^2(m-2)^2-9
=(m^2-2m)^2-3^2
=(m^2-2m+3)(m^2-2m-3)
=(m^2-2m+3)(m-3)(m+1)

m^4-4m^3+4m^2-9 =(m^2-2m)^2-9 =(m^2-2m+3)(m^2-2m-3) =(m^2-2m+3)(m-3)(m+1)

m^4-4m^3+4m^2-9因式分解 (m^4-81)/(3+m)/(9+m^2)因式分解因式分解 m^2-4m m/3+9m^4因式分解因式分解：9m^2+5m-4 (m+4)(m-2)+9的因式分解因式分解：3m^2+4m-2 m^2-4m+3怎么因式分解 m^2-4因式分解因式分解m^3-4m^2+4m 因式分解-4m^3-16m^2-2m= m^3-2m^2-4m+8 因式分解因式分解4m^2-4m+16 4-m^2+2m-1因式分解 4m^2-(m+n)^2因式分解 [m-4][m-8]+3 因式分解因式分解(3^4)^m÷27^m 因式分解：m^3减4m