seaira21 seaira21
  • 23-03-2019
  • Mathematics
contestada

what is x^2-1/x-1 if x=4​

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kyliecollins05
kyliecollins05 kyliecollins05
  • 23-03-2019

(4^2)-1

------------

4-1

(16)-1

-----------

3

15/3 = 5

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