Предмет: Алгебра, автор: Cat0515

2x в квадрате - 18= 0

Ответы

Автор ответа: esmilya

2х²-18=0 - это неполное квадратное уравнение
2х² = 18 |:2
x²=9
x=+-√9
x=3 x=-3
Ответ: x=3 x=-3

Автор ответа: Кукля16

2х в квадрате-18=0
2х в квадрате =18
х в квадрате=9
х=3 х=-3

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