In google type :
quadratic equation online
When you see list of results click on :
Free Online Quadratic Equation Solver: Solve by Quadratic
When page be open in rectangle type :
3x^2+9x+3=0
and click option :
solve it
You will see solution step by step
SELECT THE APPROXIMATE VALUES OF X THAT ARE SOLUTIONS TO F(X)=0 Where f(x)=-3x^2+9x+3
not sure which answerer is correct
(2.08,-0.48) or (-5,8)
1 answer