How do you combine (4+2n^3)+(5n^3+2)? Algebra Polynomials and Factoring Addition and Subtraction of Polynomials 1 Answer Mr. Hsia May 21, 2018 7n^3 + 6 Explanation: (4 + 2n^3)+(5n^3+2) 4 + 2n^3 + 5n^3 + 2 Combine Like Terms: 7n^3 + 6 Answer link Related questions How do you add two polynomials? How do you subtract two polynomials? How do you add and simplify 3x^2-4x+7 and 2x^3-4x^2-6x+5? How do you subtract 5b^2-2a^2 from 4a^2-8ab-9b^2? How do you simplify (6.9a^2-2.3b^2+2ab)+(3.1a-2.5b^2+b)? How do you simplify (-t+15t^2)-(5t^2+2t-9)? How do you subtract (-5m^2-m)-(3m^2+4m-5)? How do you add two polynomials if they don't have like terms? How do you simplify (3a+4b)-(-6a-3b)? How do you subtract (x^2-8x+7)-(6x^2+7x-3)? See all questions in Addition and Subtraction of Polynomials Impact of this question 3387 views around the world You can reuse this answer Creative Commons License