(2x+1)^2=-6x-3求大神

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(2x+1)^2=-6x-3求大神(2x+1)^2=-6x-3求大神(2x+1)^2=-6x-3求大神(2x+1)^2=-6x-34x^2+4x+1=-6x-34x^2+10x+4=0(4x+2)(x

(2x+1)^2=-6x-3求大神
(2x+1)^2=-6x-3求大神

(2x+1)^2=-6x-3求大神
(2x+1)^2=-6x-3
4x^2+4x+1=-6x-3
4x^2+10x+4=0
(4x+2)(x+2)=0
x=-1/2或x=-2