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20 April, 20:30

Solve the equation x^3-5x^2+2x+8=0 given that - 1 is a zero of f (x) = x^3-5x^2+2x+8

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  1. 20 April, 22:04
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    -1^3-5 (-1) ^2+2 (-1) + 8

    -1-5-2+8

    -6-2+8

    -8+8=0
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