Question 891200
{{{c^2 + 5c + 6=(c+2)(c+3)}}}
{{{3c^2 + 21c + 36=3(c^2+7c+12)=3(c+4)(c+3)}}}
{{{LCM=(c+2)(c+3)3(c+4)}}}
{{{LCM=3(c+2)(c+3)(c+4)}}}