如果(M-2)(M-H)=M的2次方+MP-6,求H,P的值?
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如果(M-2)(M-H)=M的2次方+MP-6,求H,P的值?
如果(M-2)(M-H)=M的2次方+MP-6,求H,P的值?
如果(M-2)(M-H)=M的2次方+MP-6,求H,P的值?
H=-3,P=1 将等式左面展开得M^2-(H+2)M+2H 则-(H+2)=P 2H=-6 解得H=-3,P=1