Write the following in the form x+a2+b

Question 1:

x2+16x−1
x+82−65

Question 2:

x2−8x−9
x−42−25

Question 3:

x2−8x−3
x−42−19

Question 4:

x2−2x−2
x−12−3

Question 5:

x2−16x−4
x−82−68

Question 6:

x2+8x−6
x+42−22