Combine like terms:
z^2+z+4z^3+4z^2
step by step plz

First, u lay out the numbers u have.
z ^2+ z + 4z^3+4z^2

Now look at some rules. In order to combine these, they have to be same letter same power. These are not so the answer is gonna be the same thing. It is the equation. U can’t simplify it further.