Question

(g) x - y - x2 + y2

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Answer 1

Answer:

$\begin{gathered}x-y-x^2+y^2 \\ \\ x-y-(x^2-y^2) \\ \\ x-y-(x+y)(x-y) \\ \\ 1(x-y)-(x+y)(x-y) \\ \\ (1-(x+y))(x-y) \\ \\ (1-x-y)(x-y)\end{gathered} </p><p>x−y−x </p><p>2</p><p> +y </p><p>2</p><p> </p><p>x−y−(x </p><p>2</p><p> −y </p><p>2</p><p> )</p><p>x−y−(x+y)(x−y)</p><p>1(x−y)−(x+y)(x−y)</p><p>(1−(x+y))(x−y)</p><p>(1−x−y)(x−y)</p><p> </p><p> </p><p></p><p>$

Hope it will help you my dear friend ～(´ε｀ )