Предмет: Алгебра, автор: iwanowapolis

Решить систему уравнений { x^2+y=2x+3 и 1+y=2x

Ответы

Автор ответа: Infinity167

0

у=2х-1
х^2+2х-1-2х-3=0
х^2=4
х1=2; у1=3
х2=-2; у2=-5

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