Question

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

A.
x= 5,-3

B.
x= -5,-3

C.
x= -5,3

D.
x=5,3

Answer 1

8/x + 15/x^2 = -1
(8x+15)/x^2 = -1
8x + 15 = -1*x^2
8x + 15 = -x^2
x^2 + 8x + 15 = 0
(x+5)(x+3) = 0
x+5=0 ................ x+3=0
x = -5 ..................... x = -3

saludos :)