3x^2+7x-6>0 Решите плизззз. Created by Meaw. algebra-ru

3x^2+7x-6>0 Решите плизззз...

Meaw @Meaw

October 2021 2 4 Report

3x^2+7x-6>0 Решите плизззз

iprorokpro 3x²+7x-6>0
D=49+72=121 √D=11
x1=-7+11/6=2/3
x2=-7-11/6=-3
ответ:(2/3;+∞)

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Checov7400 3х²+7х-6>0 3х²+7х-6=0 х1,2=(-7+/-√49+72)/6 =(-7+/-√121)/6=(-7+/-11)/6
х1=-18/6=-3 х2=4/6=2/3
(х+3)(х-2/3)>0 х+3>0 х>-3 х-2/3>0 х>2|3

Ответ : х∈ (2/3;+∞)U(-∞;-3).

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