1)0,7х-1,4х^2=0 2)1/7х+3 1/7х^2=0

Question

1)0,7х-1,4х^2=0 2)1/7х+3 1/7х^2=0

Answer 1

1)0,7х-1,4х^2=0 /:07   2)

х-2х^2=0

Х(1-2х)=0

х=0

1-2х=0 х=1/2

Ответ: х=0,х=1/2

Comments

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