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30-01-2017
Mathematics

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If (x2 – 4) ÷ (x + 2) = x – 2, which polynomial should fill in the blank below?

Respuesta :

30-01-2017

2x-4=(x-2)(x+2)
2x-4 =x^2-4
0=x^2-2x
0=x(x-2)
So
X=0 or x=2

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