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НяшКа02
@НяшКа02
July 2022
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помогите,прошу,очень надо,срочноо!
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sedinalana
Verified answer
ОДЗ
3x-8>0⇒x>8/3
2x+3≥0⇒x≥-1,5
x∈(2 2/3;∞)
7x-2=3√[(2x+3)(3x-8)]
(7x-2)²=9(2x+3)(3x-8)
54x²-63x-216-49x²+28x-4=0
5x²-35x-220=0
x²-7x-44=0
x1+x2=7 U x1*x2=-44
x1=-4 не удов усл
x2=11
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Answers & Comments
Verified answer
ОДЗ3x-8>0⇒x>8/3
2x+3≥0⇒x≥-1,5
x∈(2 2/3;∞)
7x-2=3√[(2x+3)(3x-8)]
(7x-2)²=9(2x+3)(3x-8)
54x²-63x-216-49x²+28x-4=0
5x²-35x-220=0
x²-7x-44=0
x1+x2=7 U x1*x2=-44
x1=-4 не удов усл
x2=11