Algebra › Section E · Polynomials › Topic E.1
Adding and subtracting polynomials
Polynomials are the algebra of straight sums — terms built from whole-number powers, added and subtracted by one simple rule: only like terms combine.
In this topic
- The vocabulary that unlocks everything
- Degree, leading coefficient, constant term
- Naming and standard form
- Like terms: the only things that combine
- Adding polynomials
- Subtracting polynomials
- Worked example: polynomial functions combine too
- Worked example: a fence around a garden
- Evaluating a polynomial
- Common mistakes to avoid
- Key takeaways
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