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Need help with this.

Need help with this.
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Need help with this.

Need help with this.-example-1
User Tevo D
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1 Answer

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You have x^2 - 16 = 1 + 2x + x^2 ;
-17 = 2x ;
x = - 17 / 2 = - 8.5 ;


\sqrt{ ( - 8.5)^(2) - 16 } = 1 + ( - 8.5 ) ;
2.12 = -7.5 False !
There is no solution !




User Severo
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