Posted by **Shreya** on Wednesday, January 18, 2012 at 11:25pm.

using quadratic formula solve

|x^2-2x-6| = 4. and answer have to be 1+-sqrt3, 1+-sqrt11 i just not get how to get this.

- math-calculus -
**Bosnian**, Thursday, January 19, 2012 at 12:32am
| x ^ 2 - 2 x - 6 |= 4

Eliminate the absolute value :

x ^ 2 - 2 x - 6 = 4

OR

x ^ 2 - 2 x - 6 = - 4

Your must solve both equations.

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 - 2 x - 6 = 4

and click option: solve it!

You will see solutions of equation :

x ^ 2 - 2 x - 6 = 4

step-bay-step

Then in rectangle type:

x ^ 2 - 2 x - 6 = - 4

and click option: solve it!

You will see solutions of equation :

x ^ 2 - 2 x - 6 = - 4

step-bay-step

Equation :

| x ^ 2 - 2 x - 6 | = 4

has 4 solutions :

1 + sqrt ( 11 )

1 - sqrt ( 11 )

1 + sqrt ( 3 )

and

1 - sqrt ( 3 )

- math-calculus -
**Shreya**, Thursday, January 19, 2012 at 10:26am
thank you very much the site be very very helpful i try to find site like that yesterday and i not find thanks very much.

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