Answer:
-4, 9, -1
Step-by-step explanation:
x³ - 4x² - 41x - 36
= x²(x + 4) - 8x² - 41x - 36
= x²(x + 4) - 8x(x + 4) - 9x - 36
= x²(x + 4) - 8x(x + 4) - 9(x + 4)
= (x + 4)(x² - 8x - 9)
= (x + 4) (x - 9)(x + 1)
so the zeros of f(x) are: -4, 9, -1
