(21x9)(8x3)

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Grades 6, 7 and 8 - Math - Middle School - Pre-Algebra - Monomials and Polynomials: Multiplying — practice the complete quiz, review flashcards, or try a random question.

When multiplying monomials, any exponents are added together. 

When multiplying polynomials, any exponents are added.  


(21<i>x</i><sup>9</sup>)(8<i>x</i><sup>3</sup>)