Answer:
125 people per square mile
Step-by-step explanation:
I think its 2/2 or 1????
(3x^2 + 2)(x + 4).
3x3 + 12x2 + 2x + 8
3x^2(x + 4) + 2(x + 4) The x + 4 is common to the 2 groups so we have:
-15 + x