Question 1083923
<pre>
-----------------------------------------
b)     g(a)-g(a-b)+f(a)
-----------------------------------------
</pre>



{{{(3a-2)-(3(a-b)-2)+(2-3a)}}}

{{{3a-2-(3a-3b-2)+2-3a}}}

{{{3a-2-3a+3b+2+2-3a}}}

{{{-2+4-3a+3b}}}

{{{highlight(-3a+3b+2)}}}