Factor the trinomials by first looking for GCF; difference of squares; trinomial squares; then look for binomial factors. 3 (x^2 - 2x + 3) -2(x^2 - 2x + 5) (6x + 3)(6x - 3) (2x + 7y)(2x - 7y) (x + 6)^2 (y - 5)^2 (x - 3) ( x - 4) (y - 5) ( y + 3) (2x -5)(3x + 2)