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19 January, 06:24

What are the zeroes of f (x) = x2 - x - 2?

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  1. 19 January, 08:24
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    Hello:

    x²-x-2 = (x+1) (x-2)

    x²-x-2 = 0 : x+1 = 0 or x-2 = 0

    x = - 1 or x = 2 are the zero of f (x)
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