standard_description: Use variables to represent numbers and write expressions when solving a real-world or mathematical problem; understand that a variable can represent an unknown number, or, depending on the purpose at hand, any number in a specified set.
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: no