Answer:
I believe the correct answer is 9x² - 48x + 64
Explanation:
(3x - 8)²
(3x - 8)(3x - 8)
(3x)² - 8(3x) - 3x(8) + (8)²
9x² - 24x - 24x + 64
9x² - 48x + 64
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