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OpenStudy (anonymous):
solve x^3 + 7x^2 + 19x + 13 = 0
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sam (.sam.):
Are you allowed to use a scientific calculator on the exam?
OpenStudy (luigi0210):
Do you know about synthetic division?
sam (.sam.):
You can do a trial an error to find one of the roots here, Let f(x)=x^3 + 7x^2 + 19x + 13
sam (.sam.):
Try f(-1)
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