BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem
TTP OnDemand GMAT Video Course
Featured Course

Target Test Prep GMAT OnDemand

Scott Woodbury-Stewart’s private virtual classroom — 400 hours of master-class video lessons for the GMAT Focus Edition.

  • 715+ score guarantee — highest in the industry (99th percentile)
  • 52 chapters · 1,500+ lessons · 4,000+ practice questions
  • 400 hours of video · 1,500+ instructor-led HD smartboard lessons
  • 300,000+ students accepted to Harvard, Stanford, Wharton, Booth & Sloan & more
  • 24/7 live support + weekly Zoom office hours with GMAT instructors
  • TTP AI Assist — 24/7 AI-powered virtual tutor for instant help
  • 1,200+ flashcards + AI-powered study assistant & daily calendar
  • OnDemand, LiveTeach & GMAT Bootcamp formats available
  • Also: GRE, SAT Math & Executive Assessment courses
  • MBA Admissions Consulting now available
  • 🏆 2025 EdTech Breakthrough Award: Test Prep Solution Provider of the Year
  • 200,000+ students served
  • 5-day free trial — $0 to start, no auto-billing, cancel anytime
★★★★★ 5.0 (559 reviews)
130-pt guarantee
$0 to start then $127/mo
Start Free 5-Day Trial Read 559 Reviews →

The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions?

Expert replies
Post new topic Post Reply
Previous Topic Next Topic

GMAT/MBA Expert

User avatar
GMAT Instructor
Posts: 16207
Joined: Mon Dec 08, 2008 6:26 pmFollowed by: 1268 members
Location: Vancouver, BC
Thanked: 5254 times
GMAT Score:770
by Brent@GMATPrepNow » Sun Oct 30, 2022 6:28 am

Timer

00:00

Answers

A

B

C

D

E

Stats

Difficulty—

The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions?

(A) Zero
(B) One
(C) Two
(D) Three
(E) Four

Answer: B
Source: www.gmatprepnow.com
Brent Hanneson - Creator of GMATPrepNow.com
Image
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Source: — Problem Solving |
User avatar
Master | Next Rank: 500 Posts
Posts: 138
Joined: Sat May 05, 2012 7:03 pm
Thanked: 1 times

Re: The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions?

by gmatter2012 » Sun Oct 30, 2022 8:07 am
Brent@GMATPrepNow wrote: ↑
Sun Oct 30, 2022 6:28 am
 The equation (x² + 6x + 9)² - (x² - 6x + 9)² = 0 has how many distinct solutions?

(A) Zero
(B) One
(C) Two
(D) Three
(E) Four

Answer: B
Source: www.gmatprepnow.com

\({\left(x+3\right)^2}-{\left(x-3\right)^2}=0\)
\((x+3+x-3)(x+3-x-3)=0\)
\(2x=0\)
\(x=0\)

Ans B
Top
Join the discussion
Log in to postLogin with Googleuse password
QUOTE IN REPLY
Post new topic Post Reply
• Page 1 of 1