(解方程)X+450x2=1000
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(解方程)X+450x2=1000
![(解方程)X+450x2=1000](/uploads/image/z/17572711-31-1.jpg?t=%EF%BC%88%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%89X%2B450x2%3D1000)
X+450x²=1000
450x²+x-1000=0
X=[-1±√(1+4*450*1000)]/2*450
X=[-1±(√1800001)]/900
X1=[-1+(√1800001)]/900
X2=[-1-(√1800001)]/900
450x²+x-1000=0
X=[-1±√(1+4*450*1000)]/2*450
X=[-1±(√1800001)]/900
X1=[-1+(√1800001)]/900
X2=[-1-(√1800001)]/900