[tex]\frac{29+x^{2}}{(6-x)^{2}} +\frac{5-2x}{(6-x)^{2}} =\frac{x^{2}-2x+34}{36-12x+x^{2}}" alt="\frac{3x}{x+4} +\frac{x+8}{x+4} =\frac{3x+x+8}{x+4} =\frac{4x+8}{x+4} =\frac{4(x+2)}{x+4} \\ \\ \frac{y+x-3}{y^{2}-9} -\frac{x}{y^{2}-9} =\frac{y+x-3-x}{y^{2}-9} =\frac{y-3}{(y-3)(y+3)} =\frac{1}{y+3} \\ \\ \frac{2x+17}{49-x^{2}}-\frac{10+x}{49-x^{2}} =\frac{2x+17-10-x}{(7+x)(7-x)} =\frac{x+7}{(7+x)(7-x)} =\frac{1}{7-x} \\ \\ \frac{y^{2}-8y}{y-3} -\frac{9-2y}{3-y} =\frac{y^{2}-8y}{y-3} +\frac{9-2y}{y-3}= \frac{y^{2}-10y+9}{y-3}
[tex]\frac{29+x^{2}}{(6-x)^{2}} +\frac{5-2x}{(6-x)^{2}} =\frac{x^{2}-2x+34}{36-12x+x^{2}}" align="absmiddle" class="latex-formula">