#1: a = (b+((c+1)^0.5))^3
#2: a = b*c*x*((((x^2)*c)+(b^4))^3)*(x+c)
#3: a = (((b^2)+x)^3)*((1/x)+x)*b
#4: a = b*(((1/b)+(1/c))^3)
#5: a = (b^2)*(((1/b)+(1/c))^3)
#6: a = (b^2)*((b-c)^3)
simp all
