Question

8/x + 15/x^2 = -1

A. x = 5, –3
B. x = –5, –3
C. x = –5, 3
D. x = 5, 3

Answer 1

why dont you try hit'n trial? ;)

Answer 2

you may even do this for a longer method..
let 1/x =y ,,so it becomes a quadratic eqn..
then also you can try hit and trial with that sum of roots or product of roots think,,
altough you should solve conventionally for practice..