lorainerodriqueZ lorainerodriqueZ
  • 13-12-2016
  • Mathematics
contestada

Prime factor 4x^2-81=0

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jojo12g
jojo12g jojo12g
  • 13-12-2016
Either one of these  x = 9/2 = 4.500
 x = -9/2 = -4.500
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manissaha129
manissaha129 manissaha129
  • 16-01-2021

Answer:

[tex]4 {x}^{2} - 81 = 0 \\ 4 {x}^{2} = 81 \\ {x}^{2} = \frac{81}{4} \\ x = \sqrt{ \frac{81}{4} } \\ x = \frac{9}{2} \\ {x = 4.5}[/tex]

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