SubArea: Infinite seriesLevel: BProject ID: 2010006904Source Problem: 1003108805Accepted: 0Clonable: 1Easy: 0We are given the equation ∑n=0∞(x+2)n3n=x+32x+1 with the unknown x being a real number. What is the set of all its solutions?{0}{−8;0}{}{−6;2}{−8}