Question

write a pair of integers whose product is -15 and whose difference is 8

Answer 1

(a)  -5 and -13 = -5 -(-13) = -5+ 13 = 8
(b) -8 and 3 = -8 + 3 = - 5
(c) -1 and 2 = -1 - (+2) = -1 - 2

Answer 2

the answer is 
1.3 and -5
2.-3and 5