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Mathematics 8 Online
OpenStudy (anonymous):

Which of the following is not a zero of the function shown below? f(x)=2x^4-x^3-42x^2+16x+160 A. 4 B. 2 C. -4 D. -2

OpenStudy (solomonzelman):

\(\large\color{black}{f(x)=2x^4-x^3-42x^2+16x+160 }\) \(\large\color{black}{f(x)=(2x-5)(x+2)(x-4)(x+4) }\)

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