Question

Factorise m^2 - 12 m + 24

Answer 1

(m-6+2root3)(m-6-2root3)

Explanation:

m^2 - 12m +36 -12

= (m-6)^2 - 12

= (m-6+2root3)(m-6-2root3)[root 12 = 2root3]