Помогите плз [tex] \frac{3 x^{2}-2 }{2} -8x=21[/tex]. Created by 12dvoechnik12. algebra-ru

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[tex] \frac{3 x^{2}-2 }{2} -8x=21[/tex]

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$\frac{3 x^{2}-2 }{2} -8x=21$
${3 x^{2}-2 } -16x=42$
${3 x^{2}-2 } -16x-42=0$
${3 x^{2} -16x-44=0$
$D=(-16)^2-4*3*(-44)=256+528=784=28^2$
$x_1= \frac{16+28}{6}= \frac{44}{6} = \frac{22}{3} =7 \frac{1}{3}$
$x_2= \frac{16-28}{6} =-2$

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pomogiteplz reshite uravnenie cherez diskriminant 6x2 25x4

iz vyrazhenij 7n3 28n2 7n 21 14n 2 2n7 7n 6 vypisat tekotorye

najdite x tablica sootnosheniya mezhdu storonami i uglami v pryamougolnom treugol

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