Solve.For H(x) = x3 + 8x2 + 12x, find all x-values for which H(x) > 0.
A. (0, -6) ? (-2, ?) or {x|0 < x < -6 or x > -2}
B. (-2, ?) or {x| x > -2 }
C. (-6, -2) or {x|-6 < x < -2 }
D. (-?, -6) or {x| x < -6 }
Answer: A
Mathematics
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