Читать книгу Algebra I All-in-One For Dummies - Mary Jane Sterling, Mary Sterling Jane - Страница 63

When an estate is “distributed,” everyone hopes to get an equal share. The distributive property works the same way. The distributive property is used when you perform an operation on each of the terms within a grouping symbol. The following rules show distributing multiplication over addition and distributing multiplication over subtraction:

The distributive property is frequently employed when terms within parentheses or other grouping symbols cannot be combined. This allows for each term to interact with the multiplier.

Q.

A. Distribute the 3 over the by multiplying each term by 3: . Then simplify the terms: .

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