thank you

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- Jan 15th 2009, 12:00 PMavazimSolving a quartic equation
thank you

- Jan 15th 2009, 12:21 PMrunning-gag
Hi

Usually to solve quartic equation you can find obvious solution

Here x=1 is a solution

Therefore you can factor by (x-1)

EDIT : (x-1)^4 of course ...