Answer:
It's A :D
Explanation:
x = -7, x = 6
x² + x - 30 = 12
x² + x - 42 = 0
- 42 = 7*(-6)
7+(-6) = 1
(x+7)(x-6) = 0
x+7 =0, x = -7
x - 6 = 0, x = 6
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