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Simplify (8j^3 + 5j^2 − 3) − (5j^3 + 7j^2 − 12j + 7).
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Simplify (8j^3 + 5j^2 − 3) − (5j^3 + 7j^2 − 12j + 7).

User Artik
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3j^3 - 2j^2 + 12j - 10
User Sam Macharia
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