you can first factor out the n to get n(1+5). we know that 1+5 is 6, so we just have 6n.
6mm^3 or .6cm^3
216
/ \
36 6
/ \ /
6 6 6
factor trees are nice.
for this case we must apply distributive property to the following expression:
the distributive property states that:
then, when applying the property we have to multiply the -2 for each term within the parenthesis: