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22аська22
@22аська22
December 2021
1
5
Report
Решите неравенство
(
3
x
−
2
)
(
x
+
4
)
>
−
11
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Answers & Comments
mmb1
Verified answer
(3x-2)(x+4)>-11
3x^2+12x-2x-8+11>0
3x^2+10x+3>0
x12=(-10+-корень(100-36))/6=(-10+-8)/6=-3 -1/3
3(x+3)(x+1/3)>0
========--3=============-1/3===========
+++++++++ ---------------------- ++++++++++
x=(-бесконечность -3)U(-1/3 +бесконечность)
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Answers & Comments
Verified answer
(3x-2)(x+4)>-113x^2+12x-2x-8+11>0
3x^2+10x+3>0
x12=(-10+-корень(100-36))/6=(-10+-8)/6=-3 -1/3
3(x+3)(x+1/3)>0
========--3=============-1/3===========
+++++++++ ---------------------- ++++++++++
x=(-бесконечность -3)U(-1/3 +бесконечность)