若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是8,
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若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是8,若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是8,若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是
若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是8,
若(x+m)(x-5)=x^2-2x+3n,则m-n=
正确结果是8,
若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是8,
(x+m)(x-5)=x^2-2x+3n
x²+(m-5)x-5m=x^2-2x+3n
所以:m-5=-2
-5m=3n
m=3
n=-5
m-n=3-(-5)=8
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|x-2|-|x-m|
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若(x+m)(x-5)=x^2-2x+3n,则m-n=正确结果是8,
已知函数f(x)=x^2-2x+5 x属于【0,3】若m-fx>0有解求m
已知函数f(x)=x^2-2x+5 x属于【0,3】若m-fx>0有解求m
已知函数f(x)=x^2-2x+5 x属于【0,3】若m-fx>0有解求m