Question 441368
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Hi
Note: we can only combine 'Like' terms
 {{{1/(x+1) + 2/(x+2)}}} 
{{{(x+2)/((x+2)(x+1))+ 2(x+1)/((x+2)(x+1))}}}
 
{{{((x+2) + 2(x+1))/((x+2)(x+1)) = (3x+4)/((x+2)(x+1))}}}