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问题: 124x+2(x*x)=3370896

解答:

124x+2x^2=3370896
2x^2+124x-3370896=0
x=[-b+-(b^2-4ac)^0.5]/2a
=[-124+/-(124^2-4*2*(-3370896))^0.5]/(2*2)
=[-124+-(15376+26967168)^0.5]/4
=[-124+-(5194.47)]/4

x1=(-124+5194.47)/4
=1267.6175

x2=(-124-5194.47)/4
=1329.6175