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F(n) = -2n - 2g(n) = 3n-4Find f(n) · g(n)

User Pjf
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\begin{gathered} (f\cdot g)(n)=f(n)\cdot g(n)=(-2n-2)(3n-4) \\ (-2n-2)(3n-4)=-6n^2+8n-6n+8 \\ (f\cdot g)(n)=-6n^2+2n+8 \end{gathered}

User Pong Petrung
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