Answer:
x = -2, -1 ± 6i
Explanation:
Very close!
You correctly factored it, and you plugged in the right numbers in the quadratic formula. When simplifying, you made a mistake at the end:
(-2 ± √-144) / 2
(-2 ± √144 √-1) / 2
(-2 ± 12i) / 2
-1 ± 6i
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