Question: please assist me with the solution with the formula so i can check my daughters hw ? What does Descartes' rule of signs tell you

please assist me with the solution with the formula so i can check my daughters hw

What does Descartes' rule of signs tell you about the possible number of positive real zeros and the possible number of negative real zeros of the function? f(x)=2x5 -3x2 +x1 The possible number of positive real zeros is El, and the possible number of negative real zeros is El. (Use a comma to separate answers as needed.)

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