import sympy as sp
from IPython.display import display
x,y,a=sp.var("x y a")
E1=x**6-y**6
E2=a**6-7*a**3-8
print("問題(1)は")
display(E1)
print("答えは")
display(sp.factor(E2))
print("問題文(2)は")
display(E2)
print("答えは")
display(sp.factor(E2))