Question

$51 - 20k + {k}^{2}$
​

Answer 1

Answer:

${k}^{2} - 20k + 51$

${k}^{2} - 17k - 3k + 51$

$= k(k - 17) - 3(k - 17)$

$= (k - 17)(k - 3)$

Answer 2

Answer:

k2 - 17k - 3k - 51

 k • (k-17) 3 • (k-17)

    (k-3)  •  (k-17)