Add. (2a^4-2a^3+3a^2+14a-5)+(a^5+7a^3+7a^2-3a+2)+(-5a^4+a^2-8a-6)

Answer 1

Add all terms with the same exponent of a, and add all constants. You get

a^5 -3a^4 + 5a^3 + ... -9

Fill in the a^2 and a terms. You need the practice.