SOLUTION: Solve the equation: {{{(x^2-1)^2 + 4(x^2-1) - 5 = 0 }}}.

Algebra ->  Rational-functions -> SOLUTION: Solve the equation: {{{(x^2-1)^2 + 4(x^2-1) - 5 = 0 }}}.      Log On


   

Question 958364: Solve the equation: %28x%5E2-1%29%5E2+%2B+4%28x%5E2-1%29+-+5+=+0+.
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
This is quadratic in x%5E2-1. You could simplify and try to solve for the x^2 and then onto x, but the form presently shown would be easier to handle. Let u=x%5E2-1, solve for u, and then use that to solve for x.