化简:m^2-2m-[(m^2)/2]=16

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化简:m^2-2m-[(m^2)/2]=16
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化简:m^2-2m-[(m^2)/2]=16
化简:m^2-2m-[(m^2)/2]=16

化简:m^2-2m-[(m^2)/2]=16
解
两边乘以2
2m²-4m-m²=32
m²-4m=32
m²-4m+4=36
(m-2)²=36
∴m-2=6或m-2=-6
∴m=8或m=-4

m²-2m- m²/2=16
m²/2 -2m -16=0
m²-4m-32=0
(m-8)(m+4)=0
m=8或m=-4

m^2-2m-[(m^2)/2]=16
(m^2)/2-2m=16
m^2-4m=32
(m+4)(m-8)=0
m=-4,或8

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