How do you combine (3x^2 + 7x +2) - (x^2 + y)? Algebra Polynomials and Factoring Addition and Subtraction of Polynomials 1 Answer Don't Memorise Jul 11, 2015 =2x^2+7x+2-y Explanation: 3x^2+7x+2−x^2-y =3x^2- x^2+7x+2-y =2x^2+7x+2-y 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 1324 views around the world You can reuse this answer Creative Commons License