factorise-x-xy-2y-2x-

Question Number 141994 by jlewis last updated on 25/May/21

factorise x - \sqrt{xy} + \sqrt{2 y} - \sqrt{2 x}

Answered by Dwaipayan Shikari last updated on 25/May/21

x - \sqrt{x y} + \sqrt{2 y} - \sqrt{2 x}

= \sqrt{x} (\sqrt{x} - \sqrt{y}) - \sqrt{2} (\sqrt{x} - \sqrt{y})

= (\sqrt{x} - \sqrt{y}) (\sqrt{x} - \sqrt{2})

Commented by jlewis last updated on 25/May/21

thanks

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