m^3-4m^2+5m-2=0 find m??
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m^2(m-1)-3m(m-1)+2(m-1)=0
(m-1)(m^2-3m+2)=0
(m-1)(m-1)(m-2)=0
(m-1)^2(m-2)=0
so;
m=1,2
(m-1)(m^2-3m+2)=0
(m-1)(m-1)(m-2)=0
(m-1)^2(m-2)=0
so;
m=1,2
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