if you could ask any 2 questions about a 5th degree polynomial function what would they be and why? I need to know for one of my discussion. If you answer correct i will give you brainliest

Long division setup showing an incomplete calculation. 12 is in the divisor, 6839 is in the dividend, and 5 hundreds and 6 tens is written in the quotient. 6000 is subtracted from 6839 to give 839. an unknown value represented by a box is being subtracted from 839. what number should be placed in the box to complete the division calculation?