4.1 Polynomial structure and operations
Unit 4 · Polynomials and polynomial functions
Ideas in this lesson
Combine like terms
Combine coefficients only when the variable powers match. Write the result in descending powers.
Subtract polynomials
Distribute the subtraction to every term of the second polynomial before combining like terms.
Multiply polynomials
Multiply every term by every term, then collect terms with equal powers.
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