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Solving inequalities mathematics?

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x^2+3x-10>0, XEI

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  1. (x+5)(x-2)>0

    x>-5

    x>2


  2. (x+5)(x-2) > 0

    Case 1:

    (x+5) > 0 and (x-2) > 0

    x > - 5 and x > 2

    x > 2

    Case 2:

    (x+5) < 0 and (x-2) < 0

    x < - 5 and x < 2

    x < -5

    Answer: x < - 5 or x > 2
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