You can put this solution on YOUR website!
Set the right side of the equation to zero by adding 3 to both sides of the equation:
The quadratic formula is:
In your question
To be exact, you can leave your answer like that, with the radicals. Note that you have two answers, one for the + sign and one for the - sign.
If you want to write your answers as decimals, they would be:
x=-0.4586 or x=-6.541