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Mathematics 17 Online
ssddss02:

. http://prntscr.com/cmkfda

ssddss02:

Help anyone?

Arcadiouse:

D

Arcadiouse:

Because, when you do x^2 - 1 it proves the equation to be true.

ssddss02:

D. ok thanks.

wo1f0mon:

he is correct

ssddss02:

Ik he is no need for your last second answer.

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