Найдите корни уравнения 3+10/х=х
3X \ X + 10 \ X = X^2 \ X 3 X+ 10 = X^2 X^2 - 3X - 10 = 0 D = 9 - 4 * 1 * ( - 10 ) = 9 + 40 = 49 V D = 7 X1 = ( 3 + 7 ) : 2 = 5 X2 = ( 3 - 7 ) : 2 = ( - 4 ) : 2 = ( - 2 ) ОТВЕТ: ( - 2 ) и ( + 5 )