2m-3=7m-3/2解方程:2m-3=7m-3/2

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2m-3=7m-3/2解方程:2m-3=7m-3/22m-3=7m-3/2解方程:2m-3=7m-3/22m-3=7m-3/2解方程:2m-3=7m-3/2 2m-3=7m-3/22m-7m

2m-3=7m-3/2解方程:2m-3=7m-3/2
2m-3=7m-3/2
解方程:
2m-3=7m-3/2

2m-3=7m-3/2解方程:2m-3=7m-3/2
  2m-3=7m-3/2

2m-7m=-3/2+3
-5m=3/2
m=-3/10

判别式△=(2m-3)^2-4*(m^2-7m/2+2)=2m+1,
两根为整数,——》2m+1为完全平方数,
1经验算m=4,方程为x^2-5x+4=0,x1=1,x2=4,符合题意。
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