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[tex] x^{2}-3x-3y-y^{2}[/tex]
[tex]2a^{4}b^{3}-2a^{3}b^{4}+6a^{2}b^{2}[/tex]
[tex]3x^{3}y^{3}+3x^{2}y^{4}-6xy^{2}[/tex]
[tex]2a+a^{2}-b^{2}-2b[/tex]
[tex] x^{2}-3x-3y-y^{2}[/tex]
[tex]2a^{4}b^{3}-2a^{3}b^{4}+6a^{2}b^{2}[/tex]
[tex]3x^{3}y^{3}+3x^{2}y^{4}-6xy^{2}[/tex]
[tex]2a+a^{2}-b^{2}-2b[/tex]
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Х² -3х-3у-у²=(х²-у²) -3(х+у)=(х-у)(х+у)-3(х+у)=(х+у)(х-у-3)2a+a²-b²-2b=2(a-b)+(a-b)(a+b)=(a-b)(2+a+b)