Question

What are the real zeroes of x^3 + 6 x^2 – 9x – 54?

Answer 1

try finding one root using the factor theorem
try factors of 54:- 2, 3 are worth trying first

Answer 2

Alright, after I talked about it with my friend and we did the work, we both got different answers, would the 3 real zeros be 3, -3, -6 or 3, 3, -6? Thank you :)

Answer 3

3 , -3 and -6

Answer 4

Thank you

Answer 5

yw