Question

x^2 + 9^2 - 64 ÷ 8 = 397 find x​

Answer 1

Answer:

x² + 9² - 64 ÷ 8 = 397

x² + 81 - 8 = 397

x² + 73 = 397

x² = 397 - 73

x² = 324

x = √ 324

x = 18

so, x = 18

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