Question 156164

{{{6-a+2ac+5c-3ca}}} Start with the given expression



{{{(5c)+(-a)+(2ac-3ac)+(6)}}} Group the common terms. Note {{{ac=ca}}}



{{{5c-a-ac+6}}} Combine like terms



So {{{6-a+2ac+5c-3ca=5c-a-ac+6}}}