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Chapter 8: Q 57. (page 918)

In the following exercises, simplify each rational expression.

a-55-a

Short Answer

Expert verified

The result is -1.

Step by step solution

01

Step 1. Given information.

Consider the given information.

a-55-a

02

Step 2. Recognize the opposite expression.

Since a-5and5-aare opposite expression. Thus,

a-55-a=-5-a5-a=-1

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