Factor the trinomial
[tex]y^2+5y-24[/tex]
by the box method.
The multiplication gives -24y^2. Now we need to find two factor that gives 5x. It should be creal that this factor are 8y and -3y. Then:
Now we find the common factor for each column and row:
Therefore:
[tex]y^2+5y-24=(y-3)(y+8)[/tex]
