Question

Разложите на множители многочлен: ac⁴-c⁴-ac²+c².

Answer 1

I hope this helps you

Answer 2

Ac⁴-c⁴-ac²+c²=(ac⁴-c⁴)-(ac²-c²)=$c^{4} (a-1)- c^{2}(a-1)=(c^4-c^2)(a-1)=c^2(c^2-1)(a-1)=$$c^2(c-1)(c+1)(a-1)$