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3 February, 04:07

Solve the equation for x. 2x2 - 72 = 0 Enter you solution in set notation.

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Answers (1)
  1. 3 February, 06:23
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    The set of solution is {-6,6}

    Step-by-step explanation:

    That means 2x^2-72=0?

    If yes, here the solution for this:

    x^2-36=0 (divise both sides by 2)

    x^2=36

    x^2=6^2

    We have x=6 or x = - 6

    The set of solution is {-6,6}.

    Hope that useful for you.
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