Solve the equation.

3x^2+18x+24=0
Explanation, too please!

In google type:

quadratic equation online

When you see list of results click on:

Free Online Quadratic Equation Solver:Solve by Quadratic Formula

When page be open in rectangle type:

3x^2+18x+24=0

and click option: solve it!

You wil see solution step-by-step