Can we take -32 as 16-2Let me show you how I have solved(m2 - 16m

This question was asked in Ex 12.3, 5 (ii)

Can we take -32 as 16-2
Let me show you how I have solved
(m2 - 16m - 2m - 32). (M2 = m square)
( m(m-16) - 2(m-16))