SOLUTION: what is the value of "a" given the quadtratic equation: 2/a^2 + 3/a = -1 Thanks!

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Question 644163: what is the value of "a" given the quadtratic equation:
2/a^2 + 3/a = -1
Thanks!
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
what is the value of "a" given the quadtratic equation:
2/a^2 + 3/a = -1
**
let u=1/a
u^2=1/a^2
2u^2+3u=-1
2u^2+3u+1=0
(2u+1)(u+1)=0
u=-1/2
or
u=-1
..
u=-1/2=1/a
a=-2
or
u=-1=1/a
a=-1
..
a=-2 or -1