Question

If two zeroes of the polynomial x³ + x² – 9x – 9 are 3 and – 3, then its third zero is

A. – 1

B. 1

C. – 9

D. 9

Answer 1

Given

x ³ + x² – 9x – 9

Zeros = 3 and – 3

x = – 1

So its third zero is – 1