Need help solving these limits. Please show work too

Evaluate the limit, if it exists. (If it does not exist, enter DNE). . 1:2 - .1: -I- 20 km zM 1-4 Evaluate the limit, if it exists. (If it does not exist, enter DNE). 2 \"m (3 + h) - 9 hall h Evaluate the limit, if it exists. (If an answer does not exist, enter DNE.) lim x2+7x+6 x-r-6x2+5x6