Tìm giá trị nhỏ nhất

a/ x²+10x+27

b/x²+x+7

c/x²-12x+37

d/x²-3x+5

f/x²+14x+y²-2y+7

g/x²+4xy+2y²-22y+173

Mark the letter A, B, C, or D to indicate the word that differs from the rest in the position of the main stress in each of the following questions

A. museum

B. recommend

C. commitment

D. position