If you know that -2 is a zero of f(x) = x3 + 7x2 + 4x - 12, explain how to solve the equation x3 + 7x2 + 4x - 12 = 0.

College Algebra
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ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
ChapterP: Prerequisites
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Problem 122E
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If you know that -2 is a zero of f(x) = x3 + 7x2 + 4x - 12, explain how to solve the equation x3 + 7x2 + 4x - 12 = 0.

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