xavaoneillx
xavaoneillx xavaoneillx
  • 04-06-2018
  • Mathematics
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Please do 15, 16 and 17! Please show your work in detail! Thank you!

Please do 15 16 and 17 Please show your work in detail Thank you class=

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soniayeung1243oxuz6x
soniayeung1243oxuz6x soniayeung1243oxuz6x
  • 04-06-2018
15. 32x=x^2
      x^2-32x=0
     (x-32)x=0
      x=0 or 32

16.0=2x^2-72
     0=(x-6)(x+6)
     x=6 or -6

17. 9x^2-4=0
      (3x-2)(3x+2)=0
      x=3/2 or -3/2
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