Question

Factor k2 + 13k + 12.

Answer 1

k^2 + (b+c) k + (b*c) is what we are looking at; and we want to find the value of b and c

Answer 2

what 2 numbers multiply to get 12 and add to get 13?

bc = 12

b+c = 13

Answer 3

the rest of it boils down to trial and error

1*12 = 12 ; 1+12 = 13 .... and that dint take to long lol

Answer 4

(k+b) (k+c) is how it factors out

(k+12) (k+1)