решить уравнение(x-4)*(x+2)-(x-5)*(x-6)=3x

(x - 4) ( x + 2) - ( x - 5) ( x - 6) = 3x
x^2 + 2x - 4x - 8 - ( x^2 -  11x + 30) - 3x = 0 
x^2 - 2x - 8 - x^2 + 11x - 30 - 3x = 0 
6x - 38 = 0 
6x = 38 
x= 38/6 = 19/3 = 6 цел 1/3