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Answer :

Answer:

3n(n + 4) = 0

n = 0, -4

Step-by-step explanation:

3n(n + 4) = 0

3n = 0

n = 0

n + 4 = 0

n = -4

Answer:

Step-by-step explanation:

3n2 + 12n factors into (3n)(n + 4n).