barks3Prirossy
barks3Prirossy barks3Prirossy
  • 07-06-2016
  • Mathematics
contestada

How would you factor 4x^2 + 9?

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Tareki
Tareki Tareki
  • 07-06-2016
4x^2 +9 = (2x+3i)*(2x-3i) 
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