BuyFind

Precalculus: Mathematics for Calcu...

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

Precalculus: Mathematics for Calcu...

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

Solutions

Chapter 1.4, Problem 56E
To determine

To calculate: The expression xx2x61x+22x3

Expert Solution

Answer to Problem 56E

  xx2x61x+22x3=(2x+1)(x+2)(x3)

Explanation of Solution

Given information:

Given expression is xx2x61x+22x3

Consider the expression as xx2x61x+22x3

This expression can re- written as,

  xx2x61x+22x3=xx23x+2x61x+22x3=x(x+2)(x3)1x+22x3

Take L.C.M.,

  x(x+2)(x3)1x+22x3=x(x3)2(x+2)(x+2)(x3)=xx+32x4(x+2)(x3)=12x(x+2)(x3)=(2x+1)(x+2)(x3)

Therefore, xx2x61x+22x3=(2x+1)(x+2)(x3)

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