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ggg62
@ggg62
August 2021
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kriislii
(2х-1)
^2=(2х+3)(2х-3)=
=2х
^2-4х+1=2х
^2-6х+6х-9=
=
2х^2-4х+1-2х
^2+6х-6х+9=0
-4х+10=0
-4х=-10
-х=-10/4
х=10/4
х=2,5
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Answers & Comments
=2х^2-4х+1=2х^2-6х+6х-9=
=2х^2-4х+1-2х^2+6х-6х+9=0
-4х+10=0
-4х=-10
-х=-10/4
х=10/4
х=2,5