160/x - 160/(x+16) = 1/3

160/x-160/(x+16)=1/3(160(x+16)-160x)/(x(x+16))=1/3160x+2560-160x/x(x+16)=1/37680=x^2+16xx^2+16x-7680=0  ( делим на 16)x^2/16+x-480=0D=b^2-4ac=1+1/16*4*480=121x1=-b-√D/2a=-1-11/(2*1/16)=-96x2=-b+√D/2a=-1+11/(2*1/16)=10/0.125=80ответ: x1=-96; x2=80