Ответ:
[tex]p {}^{3} - p {}^{2} k - pk {}^{2} + k {}^{3} =p^{2}\left(p-k\right)-k^{2}\left(p-k\right) =\left(p-k\right)\left(p^{2}-k^{2}\right) =\left(p-k\right)\left(p+k\right) =(p-k) ^ { 2 } (p+k) [/tex]
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Ответ:
[tex]p {}^{3} - p {}^{2} k - pk {}^{2} + k {}^{3} =p^{2}\left(p-k\right)-k^{2}\left(p-k\right) =\left(p-k\right)\left(p^{2}-k^{2}\right) =\left(p-k\right)\left(p+k\right) =(p-k) ^ { 2 } (p+k) [/tex]