3m-m^2+6-2m-3m-3m^2" alt="(m+2)(3-m)-3m(1+m)=>3m-m^2+6-2m-3m-3m^2" align="absmiddle" class="latex-formula">
-4m^2-2m+6" alt="=> -4m^2-2m+6" align="absmiddle" class="latex-formula">
-4*(-1)^2-2*(-1)+6=-4+2+6=4" alt="m=-1; => -4*(-1)^2-2*(-1)+6=-4+2+6=4" align="absmiddle" class="latex-formula">