Question

Factor 15a3 + 40a

Answer 1

\[5 a (3 a^2+8)\] and \[a (15 a^2+40)\]

Answer 2

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Answer 3

If you want the roots:
REAL ROOTS: a = 0
Complex roots:
a = -2 i sqrt(2/3)
a = 2 i sqrt(2/3)