Question

4n3 + 5n2 + 6n + 15 factors to (3n2 + 2) (3n + 5)

True
False

Answer 1

false.

Answer 2

you can use FOIL (if you know it) to multiply the factors and see if you get the original.
But notice that the 4n^3 term must come from 3n^2 * 3n = 9n^2

also the 15 must come from the 2*5=10
neither matches, so those are not the factors.