Answer:
x = -3, 2, 3.
Step-by-step explanation:
f(x )= x^3 - 2x^2 - 9x + 18 We factor this by grouping:
f(x) = x^2(x - 2) - 9(x - 2)
f(x) = (x ^2- 9)(x - 2)
f(x) = (x - 3)(x + 3)(x - 2).
The zeroes of the function are:
