#1**+10 **

Integer solutions are x = + or - 1

http://www.wolframalpha.com/input/?i=6*4%5Ex-13*6%5Ex%2B6*9%5Ex%3D0

Melody
Jun 3, 2015

#3**0 **

Thanks Alan

I would not have thought to do that.

How can you tell that there will be another solution as as $$x\rightarrow -\infty$$ ?

Melody
Jun 3, 2015