bachonutty07
bachonutty07 bachonutty07
  • 24-04-2020
  • Mathematics
contestada

x^2-8x-9=0 solve by completing the square

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trishinada63
trishinada63 trishinada63
  • 24-04-2020

Answer: (x-9)(x+1), so x=9 and x=-1

Step-by-step explanation:

X^2-8x-9=0

-9 times 1 = -9 and -9 plus 1 = -8

So (x-9)(x+1)

X=9, x=-1

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kevin9532
kevin9532 kevin9532
  • 24-04-2020
-1 jfbdjebfbhevdibd djfbd
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