Question

решите уравнение (4/х^2) + (3/х)-1=0

Answer 1

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Answer 2

$frac{4}{x^2} + frac{3}{x}-1=0 |*x^2$
$4+3x-x^2=0$
$x^2-3x-4=0$
D$=9+16=25=5^{2}$
$x= frac{3+-5}{2}$
x1=4 x2=-1