Can anyone show me steps to doing long division on this question?

Adaylily farm sells a portion of their daylilies and allows a portion to grow and divide. the recursive formula an=1.5(an-1)-100 represents the number of daylilies, a, after n years. after the fifth year, the farmers estimate they have 2225 daylilies. how many daylilies were on the farm after the first year?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b