(x-5(x^2+5x+25)-x^2*(x-5)-x^2+5x=0 СРОЧНО ПОМОГИТЕ!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
(x-5)(x²+5x+25)-x² (x-5)-x² +5x=0 (x-5)(x²+5x+25)-x² (x-5)-x(x-5)=0 (x-5)(x²+5x+25-(x-5)-x)=0 (x-5)(x²+5x+25-x+5-x)=0 (x-5)(x²+3x+30)=0 x-5=0 x²+3x+30=0 x=5 D=9-120= -111<0<br> нет решений. Ответ: 5