bachonutty07 bachonutty07

24-04-2020
Mathematics

contestada

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

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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

24-04-2020

-1 jfbdjebfbhevdibd djfbd

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