jaeejuanye jaeejuanye
  • 27-09-2017
  • Mathematics
contestada

x squared minus 14 equals 5x plus 67 minus 5x

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amandacobb29
amandacobb29 amandacobb29
  • 27-09-2017
The awnser is either x = 9 or x = -9
Answer Link
wikk
wikk wikk
  • 27-09-2017
x² - 14 = 5x + 67 - 5x
First, combine like terms. 5x will cancel out with -5x.

x² - 14 = 67
x² = 81
√x² = √81
x = +/- 9

The answer will most likely be 9, but the proper answer is both positive and negative 9.
Answer Link

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