x2-5x-14= what?

x^2-5x-14 simplified is

Using PSF

Product=-14

Sum= -5

Factors= -7, 2

Now using this:

(x-7)(x+2)

That is the simplified aka the solved form of this equation.

Pick any value of x <-2   or greater than 7   and you will get a positive result (greater than zero) for the equation.

Anything x<-2 or x>7