解由4(x +1)-3(X-1)=2X+3得4x+4-3x+3=2x+3则x+7=2x+3移项解得x=4
4(2x+1)²=(x-3)²[2(2x+1)]²=(x-3)²(4x+2)²=(x-3)²4x+2=±(x-3)4x+2=x-3或4x+2=3-x3x=-5或5x=1x=-5/3或x=1/5
4(X+1)-3(X-1)=2X+3解:4X+4-3X+3=2X+3X=4