Question

Помогите пж даю 15 баллов ​

Answer 1

$3x^2+9x+6=a(x-x_1)(x-x_2)\3x^2+9x+6=0\D=81-4cdot3cdot6=9\left.begin{array}{cc}x_1=frac{-9-sqrt D}6=-2&x_2=frac{-9+sqrt D}6=-1end{array}right.\3(x+2)(x+1)$