Question

4k^2-8k-672 factories ​

Answer 1

Step-by-step explanation:

4k^2-8k-672

4(k^2-2k-168)

k^2-14k+12k-168

k(k-14)+12(k-14)=0

(k+12) (k-14)=0

k=-12. or. k=14