what is the coefficient of the simplified expression of -5n+3(6+7n)
−5n+3(6+7n)=−5⋅n+3⋅6+3⋅7⋅n=−5⋅n+18+21⋅n=21⋅n−5⋅n+18=16⋅n+18=18+16⋅n
