For this case what you can do is factorize the <span>polynomial equation</span>, which would be left like follows
x ^ 3 + x ^ 2 + 9x + 9 = 0
(x + 1) (x ^ 2 + 9) = 0
Resolving, we have that the missing root is
x = -1
Answer
x=-1
skskhfkakakan what is this haha
The Volume of the box has to equal 64
because all the sides have to equal 12
and 12/3 = 4