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1 July, 09:41

4n2 - 3 = 61

how do I solve by square roots

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Answers (2)
  1. 1 July, 09:53
    0
    n = 4 or n = - 4

    Step-by-step explanation:

    We have: 4n² - 3 = 61.

    Add 3 to both sides:

    4n² = 61 + 3 = 64

    Divide both sides by 4:

    n² = 64/4 = 16

    Square root both sides:

    n = + / - √16

    n = 4 or n = - 4

    The answers are 4 and - 4.
  2. 1 July, 10:09
    0
    n = - 4, 4

    Step-by-step explanation:

    4n² - 3 = 61

    4n² = 64

    n² = 16

    n = + / - 4
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