SubArea: Rational equations and inequalitiesLevel: AProject ID: 1003119103Accepted: 1Clonable: 0Easy: 0Find the sum of all solutions of the following equation. \[ \frac{\left(x^2-1\right)\left(x^2+2x+1\right)}{(x+1)^2\cdot(x-1)^2}=x+1 \]\( 2 \)\( 0 \)\( -2 \)\( -3 \)
