What are the solutions of x2 - 2x +5 = 0 ?
a. x = 1+2i or x = 1-2;
o
o
b. x = 2; or x = -21
o
c. x = 2+1 or x = 2 - 1
o
d. x = 2+2; or x = 2-2i

Which sentence is written using formal language? a) erin has a crucial appointment early monday morning. b) that was a real bogus tale charlie told the teacher. c) let me have a sneak-peak or i am simply gonna explode. eliminate d) i do not think tim will be here today; he's playing hookie.