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Katya157682525
@Katya157682525
August 2022
2
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Решите уравнение:
1) 2x^2-18=0
2) 4x^2=9
3) 3x^2-9=0
4) 5x^2+1=0
5) 2x^2+3x=x^2
6) 3x^2=2x+4
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Answers & Comments
Kamilanis
1) 2х=18:2 2х=9 х=4,5
2) 4х=4,5 х= 1,125
3)3х=4,5 х=1,5
4)5х=0,5 х=0,1
5)2х-х+3х=2:2 4х=1 х=0,25
6)3х-2х=4:2 х=2
0 votes
Thanks 1
Mariyammk
1)2x^2=18
x^2=9
x=3 или -3
3)3х^2=9
х^2=3
х=√3или -√3
0 votes
Thanks 1
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Answers & Comments
2) 4х=4,5 х= 1,125
3)3х=4,5 х=1,5
4)5х=0,5 х=0,1
5)2х-х+3х=2:2 4х=1 х=0,25
6)3х-2х=4:2 х=2
x^2=9
x=3 или -3
3)3х^2=9
х^2=3
х=√3или -√3