3+10 деленое на x равно x

3 + ( 10 / Х ) = X 3X + 10 = X^2 X^2 - 3X - 10 = 0D = 9 + 40 = 49 ; √D = 7X1 = ( 3 + 7) : 2 = 5 X2 = ( - 4 ) : 2= ( - 2 )

(3+10)/x=x(3+10-x^2)/x=0x≠0 13-x^2=0 x^2=13x=+-√13