作业帮x²+2x+m=[x+n][x+10],则m=____,n=____ x²+mx+14=[x+2][x+n],则m=____,n=_____
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![x²+2x+m=[x+n][x+10],则m=____,n=____ x²+mx+14=[x+2][x+n],则m=____,n=_____](/uploads/image/z/2590231-31-1.jpg?t=x%26%23178%3B%2B2x%2Bm%3D%5Bx%2Bn%5D%5Bx%2B10%5D%2C%E5%88%99m%3D____%2Cn%3D____+x%26%23178%3B%2Bmx%2B14%3D%5Bx%2B2%5D%5Bx%2Bn%5D%2C%E5%88%99m%3D____%2Cn%3D_____)
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x²+2x+m=[x+n][x+10],则m=____,n=____ x²+mx+14=[x+2][x+n],则m=____,n=_____
x²+2x+m=[x+n][x+10],则m=____,n=____ x²+mx+14=[x+2][x+n],则m=____,n=_____
x²+2x+m=[x+n][x+10],则m=____,n=____ x²+mx+14=[x+2][x+n],则m=____,n=_____
x²+2x+m=[x+n][x+10]
n+10=2
10n=m
所以n=-8
m=10n=-80
x²+mx+14=[x+2][x+n]
2+n=m
2n=14
所以n=7
m=2+n=9