Question

Consider the expression `3n^4 − 5n^3 + 9`. What is the coefficient of `n^3`?

Answer 1

The coefficient of `color(blue)(n^3)` in `3n^4color(red)(-5)color(blue)(n^3)+9`
is `color(red)(-5)`

Explanation:

This is basically just the definition of "coefficient".