Solve for x. Write the smaller solution first, and the larger solution second. 2x^2-5=13

Question

Solve for x.
Write the smaller solution first, and the larger solution second.
2x^2-5=13

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Quinn 4 months 2022-01-11T18:53:10+00:00 2 Answers 0 views 0

Answers ( )

  1. Quinn
    0
    2022-01-11T18:54:11+00:00
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    Answer:

    x= -3

    Step-by-step explanation:

    mark branliest pls

    Standard form:

    2×2 − 18 = 0

    Factorization:

    2(x + 3)(x − 3) = 0

    Solutions based on factorization:

    x + 3 = 0   ⇒   x1 = −3

    x − 3 = 0   ⇒   x2 = 3

    Extrema:

    Min = (0, −18)

  2. Quinn
    0
    2022-01-11T18:54:14+00:00
    Reply

    Answer:

    x = ± 3

    Step-by-step explanation:

    Given

    2x² – 5 = 13 ( add 5 to both sides )

    2x² = 18 ( divide both sides by 2 )

    x² = 9 ( take the square root of both sides )

    x = ± [tex]\sqrt{9}[/tex] = ± 3

    smaller solution is x = – 3

    larger solution is x = 3

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