Answer:
x = -4, x = 6
Explanation:
to find the zeros, set f(x) = 0, hence
x² - 2x - 24 = 0 ( factoring the quadratic )
(x - 6)(x + 4) = 0
equate each factor to zero and solve for x
x + 4 = 0 ⇒ x = - 4
x - 6 = 0 ⇒ x = 6
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