Intermediate Algebra (13th Edition)
Intermediate Algebra (13th Edition)
13th Edition
ISBN: 9780134707365
Author: Marvin L. Bittinger, Judith A. Beecher, Barbara L. Johnson
Publisher: PEARSON
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Textbook Question
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Chapter R.18, Problem 1DE

Find an equivalent expression without parentheses.

( 2 c )

Expert Solution & Answer
Check Mark
To determine

To calculate: The equivalent expression of the expression (2c) without parenthesis.

Answer to Problem 1DE

Solution:

The equivalent expression of the expression (2c) is 2c_.

Explanation of Solution

Given information:

The provided expression is (2c).

Formula used:

By the property of 1, for any number a,

1a=a

The associative law of multiplication states that, for any numbers a,b and c the grouping in any order of multiplication does not affect the answer, that is:

(ab)c=a(bc)

Calculation:

Consider the expression,

(2c)

The negative sign outside the brackets refers to the opposite of it.

Multiply the whole expression inside by 1, by the use of property of 1 to find the opposite as below:

(2c)=1(2c)

Use the associative law, to simplify as below:

(2c)=1(2c)=(12)c=2c

Hence, the expression equivalent of the expression (2c) is 2c.

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