Question 146222
First, all terms have a 4 in common, factor that out first.

4p^2 - 8p - 60=4(p^2-2p-15)

Now, we need two numbers that multiply to get -15 but ADD to get -2. These would be -5 and 3.

So,
4(p^2-2p-15)=4(p-5)(p+3)