Question

Factor completely: x^2 − 4x + 9

(x − 1)(x − 9)

(x − 3)(x − 3)

(x + 3)(x − 3)

Prime

Answer 1

@jim_thompson5910

Answer 2

how far did you get

Answer 3

i think its the last option @jim_thompson5910

Answer 4

If you've factored something correctly, it means that you can multiply your result and get what you started with. Why not multiply the answer choices and see if you get the original quadratic? Do you remember FOIL?

Answer 5

why do you think it's prime

Answer 6

I can let you take this if you like, Jim.

Answer 7

no it's fine, we can both help