SOLUTION: Find y in terms of x: x^-1 + 4x^-2 + 4x^-3=x^-3y

Algebra ->  Exponents -> SOLUTION: Find y in terms of x: x^-1 + 4x^-2 + 4x^-3=x^-3y      Log On


   

Question 643753: Find y in terms of x: x^-1 + 4x^-2 + 4x^-3=x^-3y
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Find y in terms of x: x^-1 + 4x^-2 + 4x^-3=x^-3y
multiply each term by x^3
x^2+4x+4=y
y=(x+2)^2