You can put this solution on YOUR website! '(y+13)(y-1)'
First you find out the form (x+ ) (x+ ), (x- )(x- ), or (x+ ) (x- ).
[This case (y+ ) (y+ )
Second get the factors of the third term to add or subtract the second term.
[Factors of 13 (1*13)]
Third find which number goes where in the form to match the second term.
[(y+13)(y-1)]