Himpunan penyelesaian dari (2x + 2) (5x +3) >0 adalah

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Himpunan penyelesaian dari (2x + 2) (5x +3) >0 adalah

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Alexandra 1 month 2021-09-16T14:03:20+00:00 1 Answer 0 views 0

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    2021-09-16T14:04:45+00:00

    Step-by-step explanation:

    2x² – 5x – 3 = 0

    2x² + x – 6x – 3 = 0

    x(2x + 1) – 3(2x + 1) = 0

    (x – 3) (2x + 1) = 0

    x – 3 = 0

    x₁ = 3

    2x + 1 = 0

    2x = -1

    x₂ = -1/2

    Himpunan Penyelesaian = {x₁, x₂} = {3, -1/2}

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