Question

(a-b)(a+b)(b-c)(b+c)(c-a)(c)​

Answer 1

(a-b) (a+b) (b-c) (b+c) (c-a) (c)

=(a^2-b^2)(b^2-c^2)(c^2-ac)

=(ab^2-ac^2-b^4+bc^2)(c^2-ac)

=(abc) ^2(ac^2)^4-(b^2c)^2+............