tantalic4444
tantalic4444 tantalic4444
  • 23-04-2020
  • Mathematics
contestada

Can you explain it and help me out please​

Can you explain it and help me out please class=

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SvetkaChem
SvetkaChem SvetkaChem
  • 23-04-2020

Answer:

c.

Step-by-step explanation:

2x² - 4x - 3 = 0

[tex]x= \frac{-b+/-\sqrt{b^{2}-4ac} }{2a} \\\\x= \frac{-(-4)+/-\sqrt{(-4)^{2}-4*2*(-3)} }{2*2} \\\\x= \frac{4+/-\sqrt{16+24} }{4} \\\\x= \frac{4+/-\sqrt{40} }{4} = \frac{4+/-2\sqrt{10} }{4}=\frac{2+/-\sqrt{10} }{2}[/tex]

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NAomiiis
NAomiiis NAomiiis
  • 23-04-2020
The answer would be c on this
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