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Zeros of Polynomial Functions

4. Polynomial Functions / Zeros of Polynomial Functions / Problem 2

Problem 2

Find the zeros of the following function: f(x) = x³ + x² - 15x + 9

A

x = 3, -2 + √7, -2 - √7

B

x = -3, -1 + √5, -1 - √5

C

x = -3, 3, 2

D

x = 9, -2 + √3, -2 - √3