- #1
aurellinlmnsc
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Homework Statement
Find x as a function of y, if y = (2x^2+x+1)/(2x^2+x-1)
Homework Equations
(1/8 (-4 i x+sqrt(7)-i) (4 i x+sqrt(7)+i) ) / (x+1) (2 x-1)
for 2x^2+x+1, how do I factor that out to get 1/8 (-4 i x+sqrt(7)-i) (4 i x+sqrt(7)+i)?
quad. formula?
The Attempt at a Solution
y(x+1)(2x-1) = 1/8 (-4 i x+sqrt(7)-i) (4 i x+sqrt(7)+i)
So stuck.