xavaoneillx
xavaoneillx xavaoneillx
  • 04-06-2018
  • Mathematics
contestada

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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