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Дэнчииик
@Дэнчииик
July 2022
2
11
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Решите
-x^2-2x+8 если x= -1
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egorkaaa
Просто подставляем -1 вместо x
1^2+2+8=11
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kirillgrans
-x^2-2x+8=
-(x^2+2x-8)=-(1-2-8)=-(-9)=9.
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1^2+2+8=11