Find the solution set of the equation x2+x+2=0 in roster form	Choose the correct answer:
A) {1,-2}	B) { }	C) {1,1}	D) {1}	E) none
(x+2)(x-1)=0   x=-2 or 1   {1,-2}NSWER:{1,-2}
<result>A</result>
Find the solution set of the equation x2+x+2=0 in roster form