Factorise:
`3m^(2) + 24m + 36`

Explanation

`3m^2+24m+36`
By using mid-term splitting
`=3(m^2+8m+12)`
`=3[m^2+6m+2m+12]`
`=3[m(m+6)+2(m+6)]`
`=3(m+6)(m+2)`