Write the following in the form x+a2+b

Question 1:

x2+4x+3
x+221

Question 2:

x2+10x+9
x+5216

Question 3:

x212x8
x6244

Question 4:

x2+2x1
x+122

Question 5:

x2+12x5
x+6241

Question 6:

x2+12x4
x+6240