Question

Factorise :

a) K2 - 2K - 120


plz plz plz do answer me by explaination by step by step........... ​

Answer 1

hope it helps you dear ❤️

Answer 2

Answer:

${k}^{2} - 2k - 120 \\ = {k}^{2} + 10k - 12k - 120 \\ = k(k + 10) - 12(k + 10) \\ = (k + 10)(k - 12)$