Respuesta :

your answer is 23+8x


(10 +3x+4)+(10+5x-1)
(14+3x+4)+(9+5x)
14+3x+9+5x

Answer:

10x^2 + 8x + 3

Step-by-step explanation:

(5x^2 + 3x + 4) + (5x2 + 5x − 1)

5x^2 + 5x^2 + 3x +5x +4 -1

10x^2 + 8x +3