SOLUTION: how can i factorize x^4 -3x^2+2 i dont understand this sum please help

SOLUTION: how can i factorize x^4 -3x^2+2 i dont understand this sum please help

Algebra.Com

Question 151906: how can i factorize x^4 -3x^2+2 i dont understand this sum please help
Answer by orca(409) (Show Source): You can put this solution on YOUR website!
x^4 -3x^2+2
= (x^2)^2 - 3x^2 + 2
= (x^2 -1)(x^2 - 2)
= (x + 1)(x - 1)(x^2 -2)

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