Which value must be added to the expression x^2+x to make it a perfect square trinomial

-2 is the right

i believe the correct answer is option 4.principalities were small territories that were run by russian rulers.

which statement correctly defines principalities in northern asia in the 1200s? principalities were small territories that were run by russian rulers.

hope i could ! : )

x = 12

y = 1

for the points!