解4(x+2)的平方-9（x-3)的平方=0[2(x+2)-3(x-3)][2(x+2)+3(x-3)]=0(2x+4-3x+9)(2x+4+3x-9)=0(13-x)(5x-5)=0x=13x=14(x-3)的平方-9(1-x)的平方=0[2(x-3)-3(1-x)][2(x-3)+3(1-x)]=0(2x-6-3+3x)(2x-6+3-3x)=0(5x-9)(-x-...