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06-12-2019
Mathematics

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If x=-5 what is the value of x^2-1/x+1? A. 6 b. -4 c. 4 d. 5 4/5 e. 19
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Respuesta :

06-12-2019

Answer:

The answer is -6 but its not in the option

Step-by-step explanation:

[tex] \frac{ {x}^{2} - 1 }{ x + 1} [/tex]

Let x = -5

[(-5)²-1]/(-5+1)

= (25-1)/(-4)

= 24/-4

= -6

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