Respuesta :

JjuukoJoy

Answer:

9x - 9

Step-by-step explanation:

9(x + 10 ) -99

9x + 9 × 10-99

9x + 90-99

9x - 9

aayu0302

Answer:

9(x-1)

Step-by-step explanation:

9(x + 10) - 99​

=> 9x + 90 - 99

=> 9x - 9

=> 9(x-1)