# The equation of the Adding or substracting rational expression

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

### Precalculus: Mathematics for Calcu...

6th Edition
Stewart + 5 others
Publisher: Cengage Learning
ISBN: 9780840068071

#### Solutions

Chapter 1.4, Problem 45E
To determine

Expert Solution

## Answer to Problem 45E

3x+2(x+1)2

### Explanation of Solution

Given:

The equation is

x(x+1)2+2x+1

Concept used:

Adding or substracting rational expression:-

AC+BC=A+BC

Use the least common denominator (L.C.D)

The product of the distinct factors , using the highest power that appears in any of the factors

Calculation:

Adding or substracting rational expression is

AC+BC=A+BC................(1)

The equation is

x(x+1)2+2x+1x+2(x+1)(x+1)2x+2x+2(x+1)23x+2(x+1)2

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