Chapter A.1, Problem 18E

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085

Chapter
Section

### Elementary Geometry For College St...

7th Edition
Alexander + 2 others
ISBN: 9781337614085
Textbook Problem

# Simplify each expression: a) π r 2 + 2 π r 2 c) 7 x 2 y + 3 x y 2 b) 7 x y + 3 x y d) x + x + y

To determine

a)

To find:

The simplified form of the given expression

Explanation

Definition Used:

According to Distributive Axiom, ab+ac=a(b+c)

Calculation:

Consider, Ï€r2+2Ï€r2

Apply Distributive Axiom in Ï€r2+2Ï€r2

Ï€r2+2Ï€

To determine

b)

To find:

The simplified form of the given expression

To determine

c)

To find:

The simplified form of the given expression

To determine

d)

To find:

The simplified form of the given expression

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