# How do you simplify #sqrt70#?

##### 1 Answer

Apr 10, 2018

#### Explanation:

The prime factorisation of

#70 = 2 * 5 * 7#

Since there are no square factors,

In general, if you find a square factor

#sqrt(a^2 b) = sqrt(a^2) sqrt(b) = a sqrt(b)#