officaldealba officaldealba 03-03-2021 Mathematics contestada Simplify: 4x^3+5y^3+2x^3+7y A: 6x^3+5y^3+7y B: 6x^6+12y^4 C: 6x^6+5y^3+7y D: 9xy^3+2x^3+7y
