You can put this solution on YOUR website! The answer is easy, it is no. See:
x^2+3x+3=0
When you substitute all of the numbers it comes to a sqrt of a -3. You cannot get a sqrt of a -3. So the answer is no.
You can put this solution on YOUR website!
for lower level maths... no solution
or for advanced maths...
this is the realm of Complex numbers.
cheers
Jon.