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31 December, 21:41

If - 1 is a zero of the quadratic polynomial f (x) = x2 - 7x - 8 find the other zero

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  1. 31 December, 22:00
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    X² - 7x - 8 = 0

    You can use the Viet theorem

    x₁ + x₂ = - p

    -1 + x₂ = 7

    x₂ = 7+1

    x₂ = 8
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