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omikron
@omikron
August 2021
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решите уравнение, срочно
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ployka011
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ployka011
Ой перепутала
Olga8888
√15x^2+2х+8+4х=0
(√15x^2+2х+8)^2=(-4х)^2
15х^2+2х+8=16х^2
-х^2+2х+8=0
Д=4-4(-1)*8=36
Х1=-2-6/-2=4;
Х2=-2+6/-2=-2
1 votes
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Answers & Comments
(√15x^2+2х+8)^2=(-4х)^2
15х^2+2х+8=16х^2
-х^2+2х+8=0
Д=4-4(-1)*8=36
Х1=-2-6/-2=4;
Х2=-2+6/-2=-2