SOLUTION: Factor the polynomial. x^4-x^2-30 ^ meaning its an exponent thank you for answering

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor the polynomial. x^4-x^2-30 ^ meaning its an exponent thank you for answering      Log On


   

Question 724004: Factor the polynomial.
x^4-x^2-30
^ meaning its an exponent
thank you for answering
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x^4-x^2-30
----
x^4 -6x^2+5x^2 -30
----
= x^2(x^2-6)+5(x^2-6)
-----
= (x^2-6)(x^2+5)
----
= (x-sqrt(6))(x+sqrt(6))(x^2+5)
=================================
Cheers,
Stan H.
==============