Sometimes factoring is not easy to solve quadratic equations. Use the quadratic formula!
If you are running short of time and the GMAT date is within 1 month, skip this video. It’s better to sharpen other quant skills.
But if you have more than two months to prepare for the GMAT, using the quadratic formula is the basic concept the GMAT expects you to know!
?? FREE Quadratic Equations Lesson with examples!