solve for x

Question

x^2+18x+4=0

is the answer -18 + or -square root symbol 90

Answer 1

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:

x^2+18x+4=0

and click option: solve it!

You wil see solution step-by-step.