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3 May, 10:27

Which represents the solution (s) of the equation x² = 324?

A)

X = 118

x= + V18

O

x = - V324

D)

x = 324

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Answers (1)
  1. 3 May, 10:49
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    x² = 324

    x² - 324 = 0

    x² - 18² = 0

    (x - 18) (x + 18) = 0

    x = 18 or x = - 18

    x = ±18
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