How do you factor #x^2-7x-18#?
The answer should be in the form
So, in your equation you have
and we just need to solve for a and b.
Now, and this is very much intuitive, what easy multiplication do you know that give (-18) as an answer?
Yes, you got it.
What if you added them together?
Surely, the second one is better for our equation.
There you have it! So, both
Putting those back in the first equation, we have: