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3. Зх-18 х - 7 х- 7

3. Зх-18 х - 7 х- 7

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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3 3. Зх - 18 х - 7 х - 7 %3D
Transcribed Image Text:3 3. Зх - 18 х - 7 х - 7 %3D
Expert Solution
Step 1

Given Expression:

3x+3x-7=3x-18x-7

Let us multiply and divide the first term by (x-7)

3x×(x-7)(x-7)+3x-7=3x-18x-7

Simplifying

3x-7x-7x+1=3x-7x-6x-7x+1=x-6x-7+xx=x-62x-7=x2-6xx2-8x+7=0

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