Arthur D. answered 08/31/15
Tutor
4.9
(364)
Forty Year Educator: Classroom, Summer School, Substitute, Tutor
3x^2-6x+9
3*(x^2-2x+3) (3 is a factor and the trinomial is a factor)
[2±√(4-12)]/2
[2±√-8]/2
[2±2i√2]/2
1±i√2 are two more factors