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sereg2a
@sereg2a
July 2022
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Упростите выражение 3(2х-1)2+12х. Найдите его значение при х=-1.
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JeremyBentam
3(2х-1)2+12х = 6(2х-1)+12х = 12х-6+12х=24х-6
при х=-1
24*(-1)-6 = -24-6 = -30
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Thanks 2
prostoekaterina
6(2x-1)+ 12x= 12x-6 + 12x= 24x-6
-24-6=-30
0 votes
Thanks 2
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Answers & Comments
при х=-1
24*(-1)-6 = -24-6 = -30
-24-6=-30