Question

5k^2-23k+12 factored please show workings!

Answer 1

5*12=60
what 2 numbers multiplied together have a difference/sum of the middle term (23)?
20 and 3

So, 5k^2 -20k -3k +12

5k(k-4)-3(k-4)

put those together:
(5k-3)(k-4)

then check: 5k^2-20k-3k+12

Answer 2

thanks so much!!

Answer 3

Your're welcome