решите х+2/х+7=х/х+5+1/8

(x+2)/(x+7)=x/(x+5)+1/8x≠-7;x≠-58(x+5)(x+2)=8(x+7)*x+(x+7)(x+5)8x²+16x+40x+80=8x²+56x+x²+5x+7x+359x²+68x+35-8x²-56x-80=0x²+12x-45=0x1+x2=-12 U x1*x2=-45x1=-15 U x2=3