Simplify Equation

[mattaddis]

Hello there,

I am not sure which subject to put this under. I need to simplify the attached equation (if possible).

Any help would be greatly appreciated.

Regards,

Matt

 

[tiny-tim]

Hello Matt!

(have a square-root: √ and try using the X² icon just above the Reply box )

Expand (a - √(c²- d²)²