How do you simplify #3sqrt175#?
Pull out as much of the value that's under the radical as possible. You'll find that the simplified version is
What I did was look for factors of the term underneath the radical (175) that were a perfect square.
I found that the largest term that fits the description is 25. I used that in the expression to simplify the expression:
The number in the square root sign needs to be changed into two factors and one of these factors must be a square number.
175 = 7 x 25 so