SOLUTION: how can I factor these following equations? 1. X to the fourth power minus X squared minus 12? 2. X to the fourth power minus 26x squared plus 25? 3. 35x squared plus 47xy p

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: how can I factor these following equations? 1. X to the fourth power minus X squared minus 12? 2. X to the fourth power minus 26x squared plus 25? 3. 35x squared plus 47xy p      Log On


   

Question 965398: how can I factor these following equations?
1. X to the fourth power minus X squared minus 12?
2. X to the fourth power minus 26x squared plus 25?
3. 35x squared plus 47xy plus 6y squared?

Answer by t0hierry(194) About Me  (Show Source):
You can put this solution on YOUR website!
x^4 - x^2 -12 = y^2 -y -12 = (y-4)(y+3) where y = x^2