Question

Factor the expression.
d^2-12d+27

Answer 1

(d-3)(d-9)

Answer 2

the trick to these when you are starting is to write out all the possible multiples of the LAST term. then to see which ones could add up to the middle term.

Answer 3

i feel stupid.... i was sitting here thinking 27 was prime

Answer 4

haha its ok everyone has those moments