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Koragua
@Koragua
July 2022
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решите пожалуйста номер 451(1) с объяснением
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m11m
Verified answer
!!!!!!!!!!!!!!!!!!!!!!!!
2 votes
Thanks 1
Akbarn
Y=x+3
x^2-2y=9
Подставляем y=x+3:
x^2-2x-6=9
x^2-2x-15=0
a=1
b=2
c=15
D=b^2-4ac=4+60=64
x1=5 y1=8
x2=-3 y2=0
1 votes
Thanks 1
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Answers & Comments
Verified answer
!!!!!!!!!!!!!!!!!!!!!!!!x^2-2y=9
Подставляем y=x+3:
x^2-2x-6=9
x^2-2x-15=0
a=1
b=2
c=15
D=b^2-4ac=4+60=64
x1=5 y1=8
x2=-3 y2=0