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18-07-2017
Mathematics

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PLEASE HELP. Factor the equation y = x^2 - 2

Respuesta :

18-07-2017

Notice that we can factor as if it were a difference of squares.

The rule for the factors is such for a difference of squares:

(a^2-b^2)=(a+b)(a-b)

In this case:

y=(x-√2)(x+√2)

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