若已知m^2-4m*3=1,求1-m^2+4m

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若已知m^2-4m*3=1,求1-m^2+4m若已知m^2-4m*3=1,求1-m^2+4m若已知m^2-4m*3=1,求1-m^2+4mM^2-4M*3=11-M^2+4M=M^2-4M*3-M^2

若已知m^2-4m*3=1,求1-m^2+4m
若已知m^2-4m*3=1,求1-m^2+4m

若已知m^2-4m*3=1,求1-m^2+4m
M^2-4M*3=1
1-M^2+4M
=M^2-4M*3-M^2+4M
=-8M