mmb1

Verified answer

1) x^4+64;
никак
если x^4-64=(x^2-8)(x^2+8)=(x-корень(8))(x+корень(8))(x^2+8)
2) 1/9a^2b^4-100c^6=(1/3ab^2-10c^3)(1/3ab^2+10c^3);