(3x+2)^2=4(x-3)^2
(3x+2)^2-4(x-3)^2=0
(3x+2+2x-6)(3x+2-2x+6)=0
(5x-4)(x+8)=0
x=4/5或x=-8
(3x+2)^2=4(x-3)^2
(3x+2)^2-4(x-3)^2=0
[(3x+2)+2(x-3)][(3x+2)-2(x-3)]=0
(5x-4)(x+8)=0
x1=0.8, x2=-8
2=4(x-3)^2
(3x+2)^2-4(x-3)^2=0
(3x+2+2x-6)(3x+2-2x+6)=0
(5x-4)(x+8)=0