x is a positive integer. If both the units' digit of (x+1)^2 and the units' digit of (x+3)^2 are 1, what is the units' digit of x-3?
GMATLiveTeachStarts Nov 22
LIVE ONLINE CLASSES
Get Ready for GMAT Test Day Faster with Live Online Classes
with Josh Braslow, 20+ years in test prep
- Nov 22 · Josh Braslow
- Sun · 9:30 AM to 12:30 PM ET
- Included
- 40 hours of live online classes + 6 months of TTP OnDemand
- Attend the first class for free
- Every class is recorded, so you never fall behind













