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Understand closure of sets of polynomials under addition, subtraction, and multiplication; perform these operations on polynomials

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.


  • Determine whether a set is closed or open

    In this lesson you will learn when a set is closed and when a set is open by exploring sets of numbers.