The square root of 16 is 4
Answer:
100/25, 60/15, and 4/1
Step-by-step explanation:
1 is the awnser to this problem
Ignoring the "?" in your question:

If the "?" is a squared symbol that wasn't caught:

Use the quadratic formula

to get the solutions:

as you can see, the discriminant is negative, so the equation has no solution.