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Chapter 7: Q. 471 (page 901)

In the following exercises, factors completely:

100-a2.

Short Answer

Expert verified

The factors for the expression is,(10-a)(10+a).

Step by step solution

01

Step 1. Given Information.

The expression is,

100-a2.

02

Step 2. Factor completely.

Using a2-b2=(a+b)(a-b),

100-a2=(10)2-(a)2

=(10+a)(10-a).

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