1 and 14.
To solve this algebraically, set up a systems of equations
a + b = 15 which can be rewritten as a = 15 - b
a*b = 14
therefore, substitute this value into the second equation.
(15-b)b = 14
15b - b^2 - 14 = 0
b^2 - 15b + 14 = 0
(b - 1)(b-14) = 0
1 and 14
-15
-11
141
-3 and -14
-12.385165 and -1.614835
4 and 11.
-5 and -10
29
14
-86
-10 and -4
-18