Question 1124213

{{{(m+1)(m-2)(m+3)}}}

={{{(m^2-2m+m-2)(m+3)}}}

={{{(m^2-m-2)(m+3)}}}

={{{m^3-m^2-2m+3m^2-3m-6}}}

={{{m^3+2m^2-5m-6}}}