Упростить (4-а)^2 (1+3х)^2 (8-а)(8+а) (b-1)(b^2+b+1) (a^2+b^4)^2

Question

Упростить (4-а)^2 (1+3х)^2 (8-а)(8+а) (b-1)(b^2+b+1) (a^2+b^4)^2

Answer 1

1)а^2-8а+16.

2)9х^2+6х+1.

3)64-а^2.

4)b^3-1.

5)a^4+2a^2b^4+b^8.