[tex]k(k+2)(k+x)[/tex]
[tex]k^3+2k^2+k^2x+2kx=k\big(k^2+2k+kx+2x\big)=k\big(k(k+2)+x(k+2)\big)=k\big((k+2)(k+x)\big)=k(k+2)(k+x)[/tex]
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Ответ:
[tex]k(k+2)(k+x)[/tex]
Объяснение:
[tex]k^3+2k^2+k^2x+2kx=k\big(k^2+2k+kx+2x\big)=k\big(k(k+2)+x(k+2)\big)=k\big((k+2)(k+x)\big)=k(k+2)(k+x)[/tex]