Решите уравнение ( во вложении )
(х -1)( х^2 + 6х + 9) = 5(х+3) (x - 1)(x + 3)^2 - 5(x+3) = 0 (x + 3) ( (x - 1)(x + 3) - 5) = 0 (x+3) ( x^2 + 2x - 8) = 0 ( x +3) (x + 4 )( x - 2) = 0 x = - 3 x = - 4 x = 2