Precalculus Enhanced with Graphing Utilities
Precalculus Enhanced with Graphing Utilities
6th Edition
ISBN: 9780321795465
Author: Michael Sullivan, Michael III Sullivan
Publisher: PEARSON
Question
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Chapter A.5, Problem 46AYU
To determine

To find: LCM method of two rational expressions.

Expert Solution & Answer
Check Mark

Answer to Problem 46AYU

1 4  +  3 x + 1  =  ( x + 1 + 3 ) 4( x + 1 )  =  x + 4 4( x + 1 )

Explanation of Solution

Given:

Two examples of adding two expressions.

Calculation:

Add two rational expressions 1 4x  +  3 5x .

Then, 1 4x  +  3 5x  =  9x 20x  =  9 20 .

Another example:

Add two rational expressions 1 4  +  3 x + 1 .

1 4  +  3 x + 1  =  ( x + 1 + 3 ) 4( x + 1 )  =  x + 4 4( x + 1 )

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