Question

раскройте скобки:
(5а^2+1)(3y^2-1)=
(a^2-b^2)(a-b^2)=
(4x+y)^2=
(a^2-1)^2=
(3+8c)(8c-3)=
(9-a^3)(9+a^3)=

Answer 1

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