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Chapter 7: Q. 21 (page 651)

simplify the rational expression(a-5)(5-a)

Short Answer

Expert verified

Simplified form of the rational expression(a-5)(5-a)is-1.

Step by step solution

01

.  Given information 

Given rational expression is (a-5)(5-a).

We need to simplify the given rational expression.

02

. Simplification of rational expression

The rational expression is (a-5)(5-a).Here (5-a)is the opposite of(a-5)and an expression opposite to its is -1., Hence a-55-a=-1.

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