Respuesta :

Jinwon
Simplify both brackets, this equals 22 + 10x - 17 + 5x
Simplify further and you get 15x + 5

Answer:

5x+5

Step-by-step explanation:

(9x2+10x+4)-(9x2+5x-1)

10x-5x+4+1

5x+5