Answer:
x = 3 x = -4
x = 1 x = 8
Explanation:
x² + x - 12
(x + 4) (x - 3)
x + 4 = 0
x = - 4
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x - 3 = 0
x = 3
x² - 9x + 8
(x - 8) (x - 1)
x - 8 = 0
x = 8
x - 1 = 0
x = 1
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