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2. g² - 12g + 8g - 96 = g² + 8g +16
⇔ g² - 4g - 96 = g² + 8g +16
⇔ (g² - g²) - 4g - 8g = 16 + 96
⇔ -12g = 112
⇔ g = 112 ÷ (-12)
⇔ g = -9,33...