3(x-5)^2=2(5-x) 解:3(x^2-10x+25)=10-2x3x^2-30x+75=10-2x3x^2-28x+65=0x=[28士根号(-28平方-4*3*65)]/2*3=(28士2)/2x1=15,x2=13
3(x-5)^2=2(5-x)3(5-x)^2=2(5-x)3(5-x)=25-x=2/3x=5-2/3x=13/3