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anonymous

  • one year ago

please help me how do you find the value of x if (x-1)(x+3) < 0 Please help

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  1. UsukiDoll
    • one year ago
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    change the < to = sign first.. Then we can solve for x

  2. campbell_st
    • one year ago
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    one method is to identify the zeros of the quadratic... can you do that..?

  3. triciaal
    • one year ago
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    |dw:1435728701197:dw|

  4. triciaal
    • one year ago
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    if the product is negative one factor is positive when the other is negative

  5. triciaal
    • one year ago
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    |dw:1435729140892:dw|

  6. triciaal
    • one year ago
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    {x: -3<x<1}

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spraguer (Moderator)
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