Answer:
x = - 1
x1 = - 3
x2 = 3
Step-by-step explanation:
x^2(x + 1) - 9(x + 1) = f(x) x + 1 is a common factor
(x + 1) [ x^2 - 9] = f(x) factor x^2 - 9
(x + 1)(x - 3)(x + 3)
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x + 1 = 0
x = - 1
x - 3 = 0
x = 3
x + 3 = 0
x = - 3
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Answer
x = - 1
x1 = - 3
x2 = 3
