Mharfe Micaroz

By the remainder-factor theorem, we know that f(x)=A(x−α)(x−β)(x−γ). By comparing coefficients, we see that A=2. Substituting x=−1, we get that 1830=2(−1)3+20(−1)2+201(−1)+2013=f(−1)= 2(−1−α)(−1−β)(−1−γ)=−2(α+1)(β+1)(γ+1) Hence, the value of the expressio...