1 2 --- - x 100
1/100 - x^2
1*(x + 1/10)*(x - 1/10)
(1*(x + 1/10))*(x - 1/10)
0.01 - x^2
2 1 - 100*x ---------- 100
(1 - 100*x^2)/100
-(1 + 10*x)*(-1 + 10*x) ------------------------ 100
-(1 + 10*x)*(-1 + 10*x)/100