Answer:
x = 4 or x = -3
-1
Explanation:
26.
x² = x + 12
x² - x - 12 = 0
(x - 4)(x + 3) = 0
x - 4 = 0 or x + 3 = 0
27.
(-6 + 4)/2 = -2/2 = -1
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