(корень) 15x (в степени 2) -x+12=4x. Created by arenkaj. algebra-ru

(корень) 15x (в степени 2) -x+12=4x...

arenkaj @arenkaj

July 2022 1 7 Report

(корень) 15x (в степени 2) -x+12=4x

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$\sqrt{15x^{2}-x+12 } =4x\\\\(\sqrt{15x^{2}-x+12 } )^{2} =(4x)^{2} \ ; \ 4x>0 \ \Rightarrow \ x>0\\\\15x^{2}-x+12=16x^{2}\\\\x^{2} +x-12=0\\\\Teorema \ Vieta:\\x_{1}=3\\\\x_{2}=-4$

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pomogite reshitfoto est nizhe

koren 15x v stepeni 2 x124x

bankovskaya procentnaya stavka ravna 11 godovyh kakova dolzhna byt pervonachalna

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