+586 For how many integer values of a does the equation x^2 + ax + 8a = 0 have integer solutions for x?
+118608 x^2 + ax + 8a =0
For how many integer values of a does the equation x^2 + ax + 8a = 0 have integer solutions for x?
14
Here are some, [ These answers are supplied by WolframAlpha. ]
http://www.wolframalpha.com/input/?i=x%5E2+%2B+ax+%2B+8a+%3D+0++a+is+an+integer
