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Math Help - Help-Factoring

  1. #1
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    Begining of Calc

    3 problems -

    Remainder Theorem is me just trying to find the quotient and remainder?
    I am having a Brain Freeze and i just dont know how to factor these ?

    So if anyone can do it step by step id GREATLY appreciate it.

    Factor - x^3 + 3x^2 -4

    Factor- x^3 -7x^2 + 14x - 8
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  2. #2
    Member jacs's Avatar
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    x + 3x -4

    using the factor theorem f(a) = 0 then (x - a) is a factor

    try 1 (you can pick any factor of 4)

    f(1) = 1 + 3 - 4 = 0 so (x - 1) is factor now we do long division using that first factor

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  3. #3
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    omg i cant believe i didnt use that method ... wow ... Thanks you just saved me HOURS of dumb thinking lol i was actually trying to factor it ... THANKS!
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  4. #4
    Member jacs's Avatar
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    Smile You are welcome

    Glad I could be of help and I know what you mean by hours of dumb thinking hee hee hee


    jacs
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