x=2016 =>x-1=2015
Suy ra: \(C=x^{2010}-2015x^{2009}-2015x^{2008}-...-2015x+1\)
\(=x^{2010}-\left(x-1\right).x^{2009}-\left(x-1\right).x^{2008}-...-\left(x-1\right).x+1\)
\(=x^{2010}-x^{2010}+x^{2009}-x^{2009}+x^{2008}-...-x^2+x+1\)
\(=x+1=2016+1=2017\)