Example: Adding polynomials with multiple variables : Khan Academy on a Stick

Khan Academy on a Stick

Polynomial basics

Terms coefficients and exponents in a polynomial
Interesting polynomial coefficient problem
Polynomials 1
Polynomials 2
Evaluating a polynomial at a given value
Simplify a polynomial
Adding polynomials
Example: Adding polynomials with multiple variables
Addition and subtraction of polynomials
Adding and subtracting polynomials 1
Adding and subtracting polynomials 2
Adding and subtracting polynomials 3
Subtracting polynomials
Subtracting polynomials with multiple variables

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