Danyl Johnson.
Danyl Johnson
Diana Vickers finished fourth.
She wasn't on x factor 2009 ????
It is: (x-y)4
3 * x * x * x * x
x times x times x times x = x4
Daniel Johnson
Fourth
Alexandra Burke
x^2(1 - x)(1 + x)
No.
He was on the X Factor on the 2009 final.