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Question Number 173008 by Mikenice last updated on 04/Jul/22

Answered by pnuvu last updated on 04/Jul/22

$$\frac{4(x^2-y^2)}{x-y}=\frac{4(x+y)(x-y)}{x-y}=4(x+y)$$

Answered by Skabetix last updated on 05/Jul/22

$$\frac{4x^2-4y^2}{x-y}=\frac{4(x-y)(x+y)}{x-y}=4(x+y)$$

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