Evaluate the following limits$.$

i$.)\underset{x2}{lim}\frac{x^2+3x-10}{x-2}$

$6.)\underset{x3}{lim}\frac{x^2-8x+15}{x-3}$

$2.)\underset{x3}{lim}\frac{x^2+4x-21}{x-3}$

$7.)\underset{x-1}{lim}\frac{3x^2+2x-1}{x+1}$

$3.)\underset{x-2}{lim}\frac{x^2-6x-16}{x+2}$

$8.)\underset{x2}{lim}\frac{5x^2-12x+4}{x-2}$

$4.)\underset{x1}{lim}\frac{x^2+x-2}{x-1}$

$9.)\underset{x2}{lim}\frac{2x^3-5x^2+5x-6}{x-2}$

$5.)\underset{x-4}{lim}\frac{x^2+6x+8}{x+4}$

$10.)\underset{x3}{lim}\frac{3x^3-10x^2+7x-12}{x-3}$