djk11092 djk11092
  • 26-03-2017
  • Mathematics
contestada

(x + 3)(x - 3) = 16 - 2x2

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Аноним Аноним
  • 26-03-2017
Multiply left side things...you will get x2-9 now x2-9=16-2x2 3x2=16+9 x2=25/3 x=+-5sqrt(1/3)
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Аноним Аноним
  • 26-03-2017
x=±​√​3​​​​​5​​ 

I hope this helps. :)
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