(6*x + 1)*(6*x - 1)
(6*x + 1)*(6*x - 1*1)
1*(x + 1/6)*(x - 1/6)
(1*(x + 1/6))*(x - 1/6)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
2 -1 + 36*x
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)
(1 + 6*x)*(-1 + 6*x)