Question

2м^3-м^2-18м+9=0. Помогите!

Answer 1

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Answer 2

(2m^3-m^2)-(18m-9)=0
m^2(2m-1)-9(2m-1)=0
(m^2-9)*(2m-1)=0

m^2-9=0
m^2=9
m=3 or -3
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ILI
2m-1=0
2m=1
m=0.5