Question

Решите пж:
1)(a-y^3)^2
2)(a^2-4)^2
3)a^2+(3a-b)^2
4)9b^2-(a-3b)^2

Answer 1

1)а^2-2ау^3+у^6
2)а^4-8а^2+16
3)10а^2-6аb+b^2
4)(3b-a+3b)(3b+a-3b)
(6b-a)a

Answer 2

1)а^2-2ау^3+у^9
2)а^4-8а^2+16
3)10а^2-6аb+b^2
4)18b^2-a^2-6ab

Answer 3

6аb-a^2