necatikarabulut569 necatikarabulut569
  • 03-11-2020
  • Mathematics
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For which value of x is the equation undefined

For which value of x is the equation undefined class=

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mackenziestange mackenziestange
  • 03-11-2020
1. -7, 3 because when you factor x^2 +4x -21 you get (x-3)(x+7) meaning x is undefined for 3, -7
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