简单列举几道这样的题目:1.4(x-1)^2-9(x+1)^2=0移向得4(x-1)^2=9(x+1)^2直接开平方得2(x-1)=±3(x+1)解得x1=-0.2,x2=-52.(x+1)^2-16(x-1)^2=0移向得(x+1)^2=16(x-1)^2直接开平方得x+1=±4(x-1)解得x1=-5/3,x2=3/5