The problem
Click to see the original problem
How did the 9 get broken up that way?
Answer provided by our tutors
and by the definition for square root (a factor of a number that, when multiplied by itself, gives the original number):
If you apply "Calculate using: real(decimal)numbers" in "Options" you will get:
You can see the above solution of the following link here.
You can obtain an explanation for any step by clicking on it. Please note that you cannot click on the very first expression, which is the original problem: