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аааа310
@аааа310
August 2021
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помогите срооооооочно 5. 3, 6, 7, 8. 6. c, d, e, f.
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daryaWSdarya
5.
3) -2х²=-50
х²=25
х=+-5
6) 2х²+х=0
х(2х+1)=0
х=0 или 2х=-1
х= -0,5
7) 6х²-х=0
х(6х-1)=0
х=0 или х=1/6
6. с) 7х² =28
х²=4
х=+-2
d) 3х²+4х=0
х(3х+4)=0
х=0 или х=-4/3
e) х²=25
х=+-5
f) х²+2х=0
х(х+2)=0
х=0 или х=-2
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Answers & Comments
х²=25
х=+-5
6) 2х²+х=0
х(2х+1)=0
х=0 или 2х=-1
х= -0,5
7) 6х²-х=0
х(6х-1)=0
х=0 или х=1/6
6. с) 7х² =28
х²=4
х=+-2
d) 3х²+4х=0
х(3х+4)=0
х=0 или х=-4/3
e) х²=25
х=+-5
f) х²+2х=0
х(х+2)=0
х=0 или х=-2