Brightstorm is like having a personal tutor for every subject

See what all the buzz is about

Check it out

Introduction to Radicals - Problem 7 214 views

Most people simplify radicals by looking for perfect square factors, but this is an alternative method that works for other roots besides square roots. Create a factor tree, and look at only the bottom, prime number leaves. If you're doing a square root, pairs of numbers represent a factor outside the radical; a cube root, trios of the same number, and so forth. Any prime "leaf" that is left without a pair (or trio) will remain inside the radical.

Transcript Coming Soon!