Find the sum of the polynomials below.

(8x9 + 6x6 - 2x + 6) + (9x9 + 4x6 + 9x + 7)

A. 17x9 + 10x6 + 7x + 13
B. 10x9 + 17x6 + 7x + 13
C. 72x9 + 24x6 - 18x2 + 13
D. 17x9 + 10x6 - 7x + 13

Respuesta :

(8x⁹ + 6x⁶ - 2x + 6) + (9x⁹ + 4x⁶ + 9x + 7) = 
8x⁹ + 6x⁶ - 2x + 6 + 9x⁹ + 4x⁶ + 9x + 7 = 
17x⁹ +10x⁶ +7x + 13