Please help me!!!!!!!

If BC = x^2 - 18 and CD =x + 2, find x.

I do not understand how you get rid of the square on the x. I know how to do the rest.

Thank you.

HELP!

Please help me!!!!!!!

If BC = x^2 - 18 and CD =x + 2, find x.

I do not understand how you get rid of the square on the x. I know how to do the rest.

Thank you.

HELP!

If BC = x^2 - 18 and CD =x + 2, find x.

I do not understand how you get rid of the square on the x. I know how to do the rest.

Thank you.

HELP!

- stapel_eliz
**Posts:**1686**Joined:**Mon Dec 08, 2008 4:22 pm-
**Contact:**

A._____.B______.C_____.D_____.E is a line. C is the midpoint of both line AE and line BD.

- stapel_eliz
**Posts:**1686**Joined:**Mon Dec 08, 2008 4:22 pm-
**Contact:**

If C is the midpoint of BD, then what does this mean about the lengths of BC and CD?

What equation, in terms of the variable x, does this give you?

**Solve the resulting quadratic equation** for the value of x.

What equation, in terms of the variable x, does this give you?