tex]помогите пожалуйста даю 20 баллов...

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[tex]6 \times (x + 1) \times (x + 1) + 2 \times (x - 1) \times ( {x}^{2} + x + 1) - 2 \times (x + 1)[/tex]
помогите пожалуйста даю 20 баллов

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Avantgardе

$6(x+1)(x+1)+2(x-1)(x^2+x+1)-2(x+1)=\\\\=6(x+1)^2+2(x^3-1)-2x-2=6(x^2+2x+1)+2x^3-2-2x-2=\\\\=6x^2+12x+6+2x^3-2x-4=2x^3+6x^2+10x+2$

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Answers & Comments

sostavte marshrut puteshestviya po afrike na 7 dnej

razbor predlozheniya oni dobry i doverchivy k tem lyudyam dlya kotoryh pushkin i vsyo

privedite primery simbiontnyh otnoshenij mezhdu zhivotnymi

The dreaming astronomer There lived astronomer who was very much interested in h...

v klasse i doma 1 sredi mnogochislennyh pravil kotorye ty obyazan vypolnyat est

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