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  • 30-06-2020
  • Mathematics
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Solve the quadratic equation 3x²+2x-4=0

Solve the quadratic equation 3x2x40 class=

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Alfpfeu
Alfpfeu Alfpfeu
  • 30-06-2020

Answer:

Step-by-step explanation:

Hello,

[tex]\Delta = 2^2-4*3*(-4)= 4+48=52[/tex]

so the two solutions are

[tex]\dfrac{-2+2\sqrt{13}}{2*3}=\dfrac{\sqrt{13}-1}{3}=0.87\\\\\dfrac{-2-2\sqrt{13}}{2*3}=-\dfrac{\sqrt{13}+1}{3}=-1.54\\\\[/tex]

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