Question

решите уравнение -0,001= -0,004х²

Answer 1

$frac{-0.001}{-0.004} = x^{2}$
$x^{2} =frac{1}{4}$
х=плюсминус $frac{1}{2}$

Answer 2

$x^{2} = frac{-0,001}{-0,004} \ x^{2} = 0,25 \ x = +-0,5$