Solution

153653

First name
Harry
School
St Stephens School
Country
Age
0

1c. x^2+bx-8

(x+a)(x+b) A and b need to multiply to give -8

Pairs could be:
-8 and 1
8 and -1
-4 and 2
4 and -2

B=-7,7,-2 or 2