Question

The polynomial p(x) = x5 − 9x4 + 13x3 + 57x2 − 86x − 120 has a total of_________ zeroes. It can have a maximum of_________positive real roots and a maximum of_________negative real roots.

Answer 1

There is a total of 5 zeros. There are 3 maximum positive real roots. There are 2 maximum negative real roots.

Answer 2

Thank you @Jedrax
The polynomial p(x) = x5 − 9x4 + 13x3 + 57x2 − 86x − 120 has a total of 5 zeroes. It can have a maximum of 3 positive real roots and a maximum of 2 negative real roots.