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kolpakol
@kolpakol
August 2022
1
15
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(x-1)(3-2x)>-6
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derzkaiamarta
-2х²+5х+3>0
-2х²+5х+3=0
Д= 25+24=49=7²
х₁=-5+7/-4=-0.5
х²=-5-7/-4 = 3
Ответ: х принадлежащее (-0.5;3)
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Answers & Comments
-2х²+5х+3=0
Д= 25+24=49=7²
х₁=-5+7/-4=-0.5
х²=-5-7/-4 = 3
Ответ: х принадлежащее (-0.5;3)