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# Concept: Multiplying a Monomial by a Monomial - Multiplying Two Monomials

#### notes

For example :
1)  4 × x = x + x + x + x = 4x
2) 5x × 4x^2 = (5 × 4) × (x × x^2)
= 20 × x^3 = 20x^3
Note that :  5 × 4 = 20
i.e., coefficient of product = coefficient of first monomial × coefficient of second monomial;
and x × x^2 = x^3
i.e., algebraic factor of product = algebraic factor of first monomial × algebraic factor of second monomial.

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