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svetochka01052000
@svetochka01052000
July 2022
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помогите
-х²+3х при х= - 0,2
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8286505
Это выражение разложу на множители:
-х²+3х=-х(х-3),
если х=-0,2, то -(-0,2)(-0,2-3)=0,2·(-3,2)=-0,64.
Ответ: -0,64
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Thanks 0
svetochka01052000
спасибо)
irreversibility
Verified answer
-х²+3х=-(-0,2)
²+3*(-0,2)=-0,04-0,6=-0,64
0 votes
Thanks 1
svetochka01052000
спасибо)
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Answers & Comments
-х²+3х=-х(х-3),
если х=-0,2, то -(-0,2)(-0,2-3)=0,2·(-3,2)=-0,64.
Ответ: -0,64
Verified answer
-х²+3х=-(-0,2)²+3*(-0,2)=-0,04-0,6=-0,64