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Автор - alicew0nder

Срочно нужна помощь! ​

Ответ

Автор - Бориссс

Ответ:

x=4

Пошаговое объяснение:

2sqrt{x+5} =x+2\ \

ограничения:

left { {{x+5geq0  atop {x+2geq0 }} right. ;xgeq -2\ \

возведем обе части уравнения в квадрат

4(x+5)=x²+4x+4

4x+20=x²+4x+4

x²=16

x₁=-4  не удовлетворяет

x₂=4

ОТВЕТ x=4

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