Can You Approximate This GMAT Expression Without a Calculator?

Описание: If
**x = (√5 – √7)²**,
what’s the best approximation of x?

This GMAT-style problem tests your number sense and ability to estimate square roots quickly. No calculator needed—just smart reasoning.

In this video, we’ll show you:
✅ How to estimate √5 and √7 using nearby perfect squares
✅ A simple method to square a binomial mentally
✅ Why this is a common GMAT approximation trap

Try it before watching—most test takers overcomplicate this!

Drop your answer in the comments 👇
And tag a friend who hates square roots!
#GMATApproximation #GMATQuantTips #SolveWithMe