SOLUTION: whats the step to solving this problem x^-2+4x^-1-12=0

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Question 541403: whats the step to solving this problem x^-2+4x^-1-12=0
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
whats the step to solving this problem x^-2+4x^-1-12=0
Multiply thru by x^2, then it's a quadratic.