Question

At the end of the year 2016 the population of villages Kovad ,Varud,Chickali is 5x²-3y²,7y²+2xy and 9x²+4xy respectively. at the beginning of the Year 2017, x²+xy-y², 5xyand 3x²+xy persons from each of the three villages respectively went to another village for education then what is the remaining total population of the three villages​

Answer 1

Answer:

1)4x2-2y2-xy--------- kovad

2)7y2-3xy-------- varud

3)6x2+3xy------- chickali