What are the solutions of 3x2 + 15 = - 6x?
-1 ± i
-1 ± 2i
-2 ± i
-2 ± 2i
Which of the following is a factor of 9x2 + 21x + 10?
3x + 5
9x + 2
9x + 5
None of the above
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