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brett
brett asked in Science & MathematicsMathematics · 5 years ago

Please help!?

x^2 - 48 = 0

I need to isolate the x^2 on the left side then take the square root of both sides.

thanks!

2 Answers

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  • Puzzling
    Lv 7
    5 years ago

    Original equation:

    x² - 48 = 0

    Add 48 to both sides to isolate x²:

    x² = 48

    Take the square root of both sides, remember to add the ± sign:

    x = ± √48

    x = ± √16√3

    x = ± 4√3

  • ?
    Lv 7
    5 years ago

    Add 48 to both sides will isolate the x^2.

    Then, when you take square roots of both sides make use of fact that 48 = 16 * 3

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