Question

Разложи на множители k³-d²k-dk²+d³ СРОЧНО!!!!

Answer 1

$k^3-d^2k-dk^2+d^3=(k^3-dk^2)-(d^2k-d^3)=k^2(k-d)-d^2(k-d)=(k-d)(k^2-d^2)=(k-d)(k-d)(k+d)=(k-d)^2(k+d)$