1.等式左右两边同时开根4(2X-1)^2=9(X+4)^22(2X-1)=3(X+4)或2(2X-1)=-3(X+4)X=14或-10/72.4(2X-1)^2=9(X+4)^2[(2X-1)^2]/[(X+4)^2]=9/4(2X-1)/(X+4)=±3/2解得X=14或-10/7
(4x-2)^2=(3x+12)^21.4x-2=3x+12 x=142.2-4x=3x+12 x=-10/72种方法?没听过啊..