Make a Big X then in the top triangle of the x put 10, then in the bottom triangle put 7, then find the number that multiply's to 10 and adds to 7, which id 5 and 2. Then write out the equation: (x+5) (x+2)

if the problems directions asks you to work the problem all the way through then you're answer will be x= -5 and x= -2

if the problems directions asks you to work the problem all the way through then you're answer will be x= -5 and x= -2