standard_description: Understand that polynomials form a system analogous to the integers, namely, they are closed under the operations of addition, subtraction, and multiplication; add, subtract, and multiply polynomials.
problem_activity: Problem 1
Must the product of three polynomials again be a polynomial?
Problem 2
Find
$${(w^2+1)(w^3-w+1)}$$
.


aligns: yes