решите неравенство х^2-6х-16/-х^2+8х-12》0. Created by Манашева. algebra-ru

-х^2+8х-12》0...

Манашева @Манашева

August 2021 1 7 Report

решите неравенство х^2-6х-16/-х^2+8х-12》0

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sedinalana

Verified answer

X²-6x-16=0
x1+x2=6 U x1*x2=-16
x1=-2 U x2=8
-x²+8x-12=0
x²-8x+12=0
x1+x2=8 u x1*x2=12
x1=2 U x2=6
_ + _ + _
--------------[-2]---------(2)---------------(6)-----------[8]--------------
x∈[-2;2) U (6;8]

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