已知(2x+3)(x+mJ)=2xx+5x-n,求m、n的值
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已知(2x+3)(x+mJ)=2xx+5x-n,求m、n的值
已知(2x+3)(x+mJ)=2xx+5x-n,求m、n的值
已知(2x+3)(x+mJ)=2xx+5x-n,求m、n的值
(2x+3)(x+mJ)=2xx+(3+2mJ)x+3mJ
由已知条件:
3+2mJ=5 m=1/J
3mJ= -n n= -3
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