SOLUTION: hi....i really need ur help....i solved this problem but don't know if i get it correctly....thanks... factor: x^4

SOLUTION: hi....i really need ur help....i solved this problem but don't know if i get it correctly....thanks... factor: x^4 - 3x^2 + 1

Question 106000: hi....i really need ur help....i solved this problem but don't know if i get it correctly....thanks...

factor:
x^4 - 3x^2 + 1
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!

Let y=
____=

Then,

Read my lesson,"Factoring trinomials: SHORTCUT!!!" first then go back to this page.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Using the quadratic formula,

Since , which is irrational, this polynomial is not factorable.

Power up,
HyperBrain!
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