i will give a crown if you are the first one to answer and if you get it right and if you just get it right then i will i give you a full star rating and a thanks

I Will Give A Crown If You Are The First One To Answer And If You Get It Right And If You Just Get It Right Then I Will I Give You A Full Star Rating And A Than class=

Answer :

I think the answer is 7+56x
The simplified way would by 7•(8x+1)