I guess I should have paid closer attention in Algebra when it came to factoring. Hmmm, Maybe that's why I don't work for someone cool like "Northrop-Grumman" ;)

>X*X + 20*X - 2400 = 0 can be factored to:
>
>( X + 60 ) * ( X - 40 ) = 0
>
>So X = 40 or X = -60
>
>Bill
>
>>Now I'm really confused because I know X=40 so...?
>>
>>>>How do you solve for x in the equation X*(X+20)=2400
>>>>
>>>>Thanks
>>>>Jon
>>>
>>>X*(X+20)=2400
>>>X*X + 20*X = 2400
>>>X*X + 20*X - 2400 = 0
>>>And that is a typical Quadratic equation :-)
>>>
>>>http://en.wikipedia.org/wiki/Quadratic_equation