Chloetjahjadi Chloetjahjadi

13-02-2022
Mathematics

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write as a product x^2 + y^2 +2xy-1

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Hrishii Hrishii

13-02-2022

Answer:

(x + y + 1)(x + y - 1)

Step-by-step explanation:

[tex] {x}^{2} + {y}^{2} + 2xy - 1 \\ \\ = {(x + y)}^{2} - {(1)}^{2} \\ \\ = (x + y + 1)(x + y - 1)[/tex]

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