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Q23.

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Precalculus Mathematics for Calculus
Found in: Page 252
Precalculus Mathematics for Calculus

Precalculus Mathematics for Calculus

Book edition 7th Edition
Author(s) James Stewart, Lothar Redlin, Saleem Watson
Pages 948 pages
ISBN 9781337067508

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Short Answer

Properties of Real Numbers Use properties of real numbers to write the expression without parentheses.

3(x+y)

The given expression can be written as 3x+3y.

See the step by step solution

Step by Step Solution

Step 1. Given information.

The given expression is:

3(x+y)

Step 2. Write the concept.

According to the distributive property of real numbers, if a,b,c are three real numbers, then

a(b+c)=ab+ac

Step 3. Rewrite the expression.

Using the distributive property of real numbers, the given expression can be rewritten as:

3(x+y)=3(x)+3(y)=3x+3y

Thus, the given expression can be written as 3x+3y.

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