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Mathssss

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if x+1 is a factor of x^3-2x^2+5x+c, find the value of c.

  • Mathssss -

    let f(x) = x^3-2x^2+5x+c

    if x+1 is a factor, then
    f(-1) = 0
    -1 -2 -5 + c = 0
    c = 8

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