(x-3)^3+2014(x-3)=1,x^2+4y^2+4x的最小值
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(x-3)^3+2014(x-3)=1,x^2+4y^2+4x的最小值
(x-3)^3+2014(x-3)=1,x^2+4y^2+4x的最小值
(x-3)^3+2014(x-3)=1,x^2+4y^2+4x的最小值
(x-3)^3+2014(x-3)+(2y-3)^3+2014(2y-3)=0
(x-3+2y-3)((x-3)^2-(x-3)(2y-3)+(2y-3)^2)+2014(x-3+2y-3)=0
x-3+2y-3=0 x+2y=6 x^2+4y^2+4x=x^2+4x+(6-x)^2=2x^2-8x+36=2(x-2)^2+28
x-2=0->min x^2+4y^2+4x=28
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一个“整式的乘法”的问题请先阅读下列解题过程,再仿做下面的问题.已知X*X + X - 1=0,求X*X*X + 2*X*X + 3的值.解X*X*X + 2X*X +3=X*X*X +X*X -X +X*X +X +3=X{X*X +X -1} +X*X +X -1 +4=0+0+4=4+ x + X*X + X*X*X=0.+ X*X + X*X*X
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