
The multiples of 105 are 3,5,and 7 so none of them can come out of the square root so it cannot be simplified.
2/3 ÷ 4 = 2/3 * 1/4 = 2/12 = 1/6
Step-by-step explanation:



Hence
You have to put:

And

Which results in:

And

The solution is:

X=3
91 + x^2
91 + 3^2
91 + 9
91 + 9 = 100