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Автор - stasoni228

х в квадрате +3х=10 решите уравнение . Решите уравнение

Ответ

Проверено экспертом

Автор - JuliaRichie
x^2+3x=10
x^2+3x-10=0
D=9+40=49
x=(-3+7)/2=2
x=(-3-7)/2=-5

Ответ: -5; 2

Ответ

Проверено экспертом

Автор - artfrom444
x^2+3x-10=0
D=9+40=49
x1=-3+7 / 2
x2=-3-7 / 2

x1=2
x2=-5
Ответ: 2  и -5

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