Diana Vickers finished fourth.
It is: (x-y)4
3 * x * x * x * x
x times x times x times x = x4
Fourth
Daniel Johnson
Danyl Johnson.
They went on x factor in 2008 and came second to Alexandra Burke.
Diana was on The X Factor in 2008.
x^2(1 - x)(1 + x)
Cher Lloyd
Leon Jackson.
Cher Lloyd finished in fourth place on The X Factor 2010.