pin8cheAsCutene pin8cheAsCutene 31-10-2016 Mathematics contestada Simplify (8x^2 - 1 + 2x^3) - (7x^3 - 3x^2 + 1). -5x^3 + 11x^2 - 2 5x^3 - 11x^2 + 2 x^3 + 2x^2 + x^3 x^3 - 2x^2 - x^3