Question

Разложи на множители tz^6−tr−fz^6+dr+fr−dz^6

Answer 1

    tz⁶−tr−fz⁶+dr+fr−dz⁶ =
= (tz⁶−fz⁶−dz⁶) - (tr-fr-dr) = 
= z⁶·(t-f-d)-r·(t-f-d) = 
= (z⁶-r)·(t-f-d)