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Student Support Forum > General > > "Polynomial factorization by roots?"

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Original Message (ID '191269') By Steve Keeley:
In Response To 'Re: Re: Polynomial factorization by roots?' --------- As a side note, I tried this out on my HP-50g. When I entered X^4+2*X^2+1 and pressed "FACTOR" I got the answer (X+i)^2*(X-i)^2 pressing "COLLECT" for the same polynomial I got the answer (X^2 + 1)^2 I tried it on the polynomial X^3-3*X^2-2*X+6 FACTOR -> (X-3)*(X+SQRT[2])*(X-SQRT[2]) COLLECT -> (X-3)*(X^2-2) The HP-50g also beats the pants off of Mathematica in unit management.