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# Multiplying a Monomial by a Polynomial - Multiplying a Monomial by a Trinomial

#### notes

For example :
Consider 3p × (4p^2 + 5p + 7)
3p × (4p^2 + 5p + 7) = (3p × 4p^2) + (3p × 5p) + (3p × 7)

= 12p^3 + 15p^2 + 21p
Multiply each term of the trinomial by the monomial and add products.

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