ПОМОГИТЕ ПОЖАЛУЙСТА! ВОПРОС ЖИЗНИ И СМЕРТИ!!! ДВА ЗАДАНИЯ ВСЕГО! . Created by nugooo. algebra-ru

ПОМОГИТЕ ПОЖАЛУЙСТА! ВОПРОС ЖИЗНИ И СМЕРТИ!!! ДВА ЗАДАНИЯ ВСЕГО! ...

poltinichek (5х² - 4х + 1) + (6х² + х - 3) = (5х² + 6х²) + ( х - 4х) + (1 - 3) = 11х² - 3²х - 2²
(5х² - 4х + 1) - (6х² + х - 3) = (5х² + 6х²) - (х - 4х) - (1 - 3) = 11х² + 3х + 2

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fanta2310

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2) x2+5x-2-3x-1-3x-x2=0
-x-3=0
-x=3
x=-3

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