Question

Решите уравнение:

$x ^{2} + \frac{1}{3} x = 0$
$\frac{x ^{2} - 2x }{3}= \frac{3 {x}^{2} + 4x }{5}$
$2(3x - {4})^{2} = 7(6x + 4 \frac{4}{7} )$
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Answer 1

Ответ:

1)x(1)=-1/3, x(2)=0. 2)x(1)= -11/2, x(2)=0. 3)x(1)=0, x(2)=5