Here is my problem x^2-12x=3

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

What are two numbers that have a sum of 15

The quotient of 15 and a number is 1 over 3 written as an equation