Предмет: Алгебра, автор: mru199

Решите уравнение - 4/3x^2+12=0

Ответы

Автор ответа: Аноним

-4/3x²=-12
x²=-12:(-4/3)=12*3/4=9
x=+-3

Автор ответа: mukus13

$- \frac{4}{3} x^{2} +12=0$
$- \frac{4}{3} x^{2} =-12$
$x^{2} =-12:- \frac{4}{3}$
$x^{2} =9$
$(x+3)(x-3)=0$
x= - 3 или x= 3

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