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Math Help - Solve P(x)=0.....

  1. #1
    Newbie
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    Solve P(x)=0.....

    For the polynomial, solve P(x)=0

    P(x)=(3x+2)(x-1)(4x+5)

    how do i solve this question?

    Thanks in advance
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  2. #2
    Senior Member Peritus's Avatar
    Joined
    Nov 2007
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    if

    <br />
P(x)=(3x+2)(x-1)(4x+5) = 0<br />

    then either:

    1. 3x+2 = 0

    or

    2. x-1 = 0

    or

    3. 4x+5 = 0

    or every combination of the above thus the solution follows immediately:

    <br />
x =  - \frac{2}<br />
{3},1, - \frac{5}<br />
{4}<br /> <br />
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  3. #3
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    thanks for your help! it really helped me complete the other questions i had easily
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