which polynomial represents the sum of (2x^6+3x^2+9)+(3x^2+x+8)

Question

having troble with long polynomials.

Answer 1

(2x^6 + 3x^2 + 9) + (3x^2 + x + 8)

= 2x^6 + 3x^2 + 9 + 3x^2 + x + 8

= 2x^6 + 6x^2 + x + 17

(2x^6 + 3x^2 + 9) + (3x^2 + x + 8) = 2x^6 + 6x^2 + x + 17.