What are the solutions to this equation? 7×2 − 28 = 0

Question

What are the solutions to this equation?
7×2 − 28 = 0

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Julia 2 months 2021-10-16T17:02:19+00:00 2 Answers 0 views 0

Answers ( )

    0
    2021-10-16T17:03:40+00:00

    Answer:

    x=-2 & x=2

    Step-by-step explanation:

    PLATO

    0
    2021-10-16T17:04:15+00:00

    Answer:

    x = 2 or x = -2

    Step-by-step explanation:

    7x^2 – 28 = 0

    7x^2 = 28

    x^2 = 28/7 = 4

    x = root(4)  or  x = -root(4)

    x = 2 or x = -2

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