Simplify x^2(x+9)-x(x^2-4) I want to say its 9x^2-4x? Is that correct? Thank you!
J Jamie27 New member Joined Feb 2, 2006 Messages 13 Feb 18, 2006 #1 Simplify x^2(x+9)-x(x^2-4) I want to say its 9x^2-4x? Is that correct? Thank you!
tkhunny Moderator Staff member Joined Apr 12, 2005 Messages 11,339 Feb 18, 2006 #2 Not quite. +4x Should you factor out the 'x'?
