Respuesta :
Answer:
9x - 9
Step-by-step explanation:
9(x + 10 ) -99
9x + 9 × 10-99
9x + 90-99
9x - 9
Answer:
9(x-1)
Step-by-step explanation:
9(x + 10) - 99
=> 9x + 90 - 99
=> 9x - 9
=> 9(x-1)
Answer:
Step-by-step explanation:
9(x + 10 ) -99
9x + 9 × 10-99
9x - 9
Answer:
9(x-1)
Step-by-step explanation:
9(x + 10) - 99
=> 9x + 90 - 99
=> 9x - 9
=> 9(x-1)