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Factor Theorem(Math)

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Why is x-1 not a factor of f(x)= 4x^3+8x^2+x-3?

  • Factor Theorem(Math) -

    if x-1 is a factor then f(1) has to be zero, but

    f(1) = 4 + 8 + 1 - 3≠ 0
    So there!

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