Answer:

or

Step-by-step explanation:
The expression
can be simplified by first writing the fraction under one single radical instead of two.

5/15 simplifies because both share the same factor 5.
It becomes 
This can simplify further by breaking apart the radical.

A radical cannot be left in the denominator, so rationalize it by multiplying by √3 to numerator and denominator.

Answer:
<h3>78.5</h3>
Step-by-step explanation:
<h2>I guessed and it was right...</h2>
Answer:
x=10,−10
simple, it could be negative OR positive :D
Answer:
Step-by-step explanation:
if im not wrong it should be the first one