SOLUTION: Please help me! Find all real numbers or imaginary solutions to each equation. x^-2-9x^-1+18=0 I have seen these types of probelms but never with the negative power. I can use a

Question 81732This question is from textbook
: Please help me!
Find all real numbers or imaginary solutions to each equation.
x^-2-9x^-1+18=0
I have seen these types of probelms but never with the negative power. I can use all the help you have. Thanks in advance. This question is from textbook

Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
x^-2-9x^-1+18=0

Change the negative exponents to fractions:

Then multiply both sides of the equation by the LCD, which is :

This factors into

First solution:
6x-1=0
6x=1
x= 1/6

Second solution:
3x-1=0
3x=1
x=1/3

R^2 at SCC
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