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rainbowkurty
@rainbowkurty
July 2022
1
9
Report
4х²+9=0
9х²+6х+1=0
18+3х²-х=0
2х²+7х-30=0
5х²-16х+3=0
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n1982
4х²+9=0
4х
²=-9
х
²=-9/4 корней нет
9х²+6х+1=0
D=36-36=0
х=-6/18=-1/3
18+3х²-х=0
D=1-216=-215 корней нет
2х²+7х-30=0
D=49+240=289
х=10/4
х=-6
5х²-16х+3=0
D=256-60=196
х=3
х=2/10
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Answers & Comments
4х²=-9
х²=-9/4 корней нет
9х²+6х+1=0
D=36-36=0
х=-6/18=-1/3
18+3х²-х=0
D=1-216=-215 корней нет
2х²+7х-30=0
D=49+240=289
х=10/4
х=-6
5х²-16х+3=0
D=256-60=196
х=3
х=2/10