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3 years ago

8

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

1 answer:

Natali5045456 [20]3 years ago

4 0

x² = 324

x² - 324 = 0

x² - 18² = 0

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

x = 18 or x = -18

x = ±18

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