Question

Разложите по формуле
Срочно
(c^4-7)^2
(3a-b^3)^2
(4a^2-b)^2
(x^3-2)^2
(6x-2y)^2
(8b-9a)^2
(0.5a-30b)^2
(0.2x-0.6y)^2

Answer 1

1)= (c^4)^2-2*7*c^4+7^2=c^8-14c^4+49
2)=9a^2-6ab^3+b^6
3)=16a^4-8a^2*b+b^2
4)=x^6-4x^3+4
5)=36x^2-24xy+4y^2
6)=64b^2-144ab+81a^2
7)=0,25a^2-30ab+900b^2
8)=0,4x^2-0,16xy+0,36y^2