Answer:
x = -√22 + 4
x = √22 + 4
Explanation:
x² - 8x - 6 = 0
x² - 8x = 6
x² - 8x + ? = 6 + ?
x² - 8x + 16 = 6 + 16
x² - 8x + 16 = 22
(x-4)² = 22
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