Quote Originally Posted by Superman View Post
X= can be anything, there is nothing to stop me from saying X=1 which would make your answer (-2)(2) which would be -4. If I use a X=2 theory then your answer would be (1)(-1) = -1 so on and so forth.


Cheers.
Quote Originally Posted by BladeTwinSwords View Post
-9x^2 + 30x - 25
The correct answer was right here, the very first post after the question. You can't solve for variables where the variable isn't given by pretending that the variable is a particular number. Welcome to basic algebra.

edit: Also, chuckles at the solution fail for the question in the OP.