Question

9 numbers +9 ones short form?​

Answer 1

Answer may be

9n+9

this is my hop

Answer 2

Answer:

i dont know correct answer but 9n+9 is wrong

Step-by-step explanation:

n is a variable ,which can have any value

9n +9 means

9× (a variable) +9

for example :

if n=2

then 9n+9 means

9×(2) +9

so 9n+9 is not correct

even if i dont know the answer ...i dont want anyone to misunderstand about anything.......thats why i said that was wrong answer