Предмет: Математика, автор: denisstark777

Подайте у вигляді многочлена вираз (x+4)(3x-2);(6m+5n)(7m-3n)
(X+5)(x²+x-6)
Срочно кр по матеше

Ответы

Автор ответа: MagdaSinger
0

Ответ:

(x+4)(3x-2)=3x^{2} -2x+12x-8=3x^{2} +10x-8\\(6m+5n)(7m-3n)=42m^{2} -18mn+35mn-15n^{2}=42m^{2} +17mn-15n^{2}\\ \left( x+5 \right) \left( x ^ { 2 } +x-6 \right) =x^{3} +x^{2} -6x+5x^{2} +5x-30=x^{3}+6x^{2} -x-30

Пошаговое объяснение:

jekadva: +17mn
jekadva: + 6x²
jekadva: во втором и третьем ошибки
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