SubArea: Polynomials and fractionsLevel: CProject ID: 9000083606Source Problem: 2010000813Accepted: 1Clonable: 1Easy: 0Assuming x≠2, simplify the expression x2+x−6x3−8.x+3x2+2x+4x+3x2−2x+4x+3x2+4x+4x+3x2−4