Предмет: Алгебра, автор: lizaskazhutina

2x2-18x=0
решите уравнение

Ответы

Автор ответа: vitalinakonaeva
0

Ответ:

2*2-18х=0

4-18х=0

-18х=0-4

-18х=-4

х=-18:(-4)

х=4,5

Автор ответа: dzetpisbajsyngys
1

Ответ:

4-18x=0

18x=0+4

18x=4

x=18:4

x=-4,5

-----------------

4-18×4,5=0

-4,5=-4,5

dzetpisbajsyngys: ой ответ 4,5 случайно добавил -
vitalinakonaeva: минус на минус будет плюс
dzetpisbajsyngys: я это понял
dzetpisbajsyngys: просто торопился
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