Question 1033768
If {{{H(x)=( x+N) /( M - 2x)}}} and H(-2) is undefined, then M - 2(-2) = 0 ==> M + 4 = 0, or M = -4.

==> {{{H(x)=( x+N) /( -4 - 2x)}}}

 H(-3) = 4 ==> {{{( -3+N) /( -4 - 2(-3)) = 4}}} ==> N = 11.

Therefore,  {{{H(x)=( x+11) /( -4 - 2x)}}}.