(х^2-9)(х^2+х-6)(х+5)больше или равно 0

(х ^ 2 - 9) * (х ^ 2 + х - 6) * (х + 5) > = 0;(х ^ 2 - 3 ^ 2) * (х ^ 2 + х - 6) * (х + 5) > = 0; (x - 3) * (x + 3) * (х ^ 2 + х - 6) * (х + 5) > = 0;1) x - 3 = 0;x = 3;2) x + 3 = 0;x = - 3; 3) х ^ 2 + х - 6 = 0;D = b ^ 2 - 4 * a * c = 1 - 4 * 1 * (- 6) = 1 + 24 = 25;x1 = (- 1 + 5)/2 = 4/2 = 2;x2 = (- 1 - 5)/2 = - 6/2 = -3;4) x + 5 = 0;x = - 5;Тогда: + - + - +;_ - 5 _ - 3 _ 2 _ 3 _ ;Отсюда: x < = - 5, - 3 < = x < = 2, x > = 3;Ответ: x < = - 5, - 3 < = x < = 2, x > = 3.