7x2+44x+1=0
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x)306165I*G`5471/.H̳sml DR 8m
7x2+44x+1=0
7x2+44x+1=0
7x2+44x+1=0
x=-15/44
求X?X=-(15/44)
7x2+44x+1=0
7/x2+x+1/x2-x=0
7/x2+x+1/x2-x=6/x2-1
x2-3x+1=0 x2/(x4-x2+1)
x2-5x+1=0则x2+x2/1
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