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OpenStudy (anonymous):
Which of the following expresses the possible number of positive real solutions for the polynomial equation shown below? 5x^3+x^2+7x-28=0
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OpenStudy (anonymous):
one two two or zero three or one
OpenStudy (anonymous):
there could be three because it is a polynomial of degree 3 there as to be one because it is a polynomial of odd degree
OpenStudy (anonymous):
there cannot be exactly 2, because the complex zeros come in conjugate pairs
OpenStudy (anonymous):
what about one?
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