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Автор - larionovalera60

Алгебра
y=2x²-4
y=(x+3)²-3
y=(x-2)²-3​

Ответ

Автор - M0F

Ответ:

1) y=2x²-4

0=2x²-4

x1=-√2

x2=√2

2) y=(x+3)²-3

0=(x+3)²-3

x1=-√3-3

x2=√3-3

3) y=(x-2)²-3​

0=(x-2)²-3​

x1= -√3+2

x2=√3+2

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