Use the Quadratic Formula to Solve with Surds.

Question 1:

x2+15x5=0
x=-15±752

Question 2:

x29x+7=0
x=9±532

Question 3:

x2+11x6=0
x=-11±1452

Question 4:

x2+14x5=0
x=-7±36

Question 5:

x2+12x7=0
x=-6±43

Question 6:

x24x5=0
x=5 or -1