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distributive law
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distributive law

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Also known as: distributive property
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Also called:
distributive property
Related Topics:
arithmetic
relation
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distributive law, in mathematics, the law relating the operations of multiplication and addition, stated symbolically as a(b + c) = ab + ac; that is, the monomial factor a is distributed, or separately applied, to each term of the binomial factor b + c, resulting in the product ab + ac. From this law it is easy to show that the result of first adding several numbers and then multiplying the sum by some number is the same as first multiplying each separately by the number and then adding the products. See also associative law; commutative law.

The Editors of Encyclopaedia BritannicaThis article was most recently revised and updated by Erik Gregersen.