2 x - 14*x + 50 4
2 50 + x - 14*x 4
2 100 - 28*x + 2*x 2
4.0^(50.0 + x^2 - 14.0*x)
50 + x*(-14 + x) 4
100 + 2*x*(-14 + x) 2
/ 2\ \x / -14*x 1267650600228229401496703205376*4 *4