Question

Решить подробно -7x^2-3x=0

Answer 1

-7x^2-3x=0 / *-1
7x^2+3x = 0
x(7x+3) = 0
x1 = 0
7x+3 = 0
7x = -3
x = -3/7
Ответ : x1 = 0, x2 = -3/7

Answer 2

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