Question

Which value should be added to both sides of the equation x^2 + 10x =2 to solve the equation by completing the square?

Answer 1

x2 + bx + (b/2)^2 = (x+b/2)^2
  "Complete the Square"    

Answer 2

to complete the square divide the b term by 2 and then square
(10 is your b term)

Answer 3

thanks