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Kuoministers Group Title

Factorise X^2 - y^2 - 2x + 2y

  • one year ago
  • one year ago

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  1. math>philosophy Group Title
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    Did you try factoring out the x and y? If it helps, try rearranging the terms like so: \[x^2 - 2x - y^2 + 2y\] and try grouping/factoring the x out and the y out

    • one year ago
  2. Kuoministers Group Title
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    Actually i tried that and it doesnt work... grouping doesnt work... Completing the square doesnt work...

    • one year ago
  3. jim_thompson5910 Group Title
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    x^2 - y^2 - 2x + 2y (x^2 - y^2) + ( - 2x + 2y) (x - y)(x + y) + ( - 2x + 2y) (x - y)(x + y) - 2( x - y) See where to go from here?

    • one year ago
  4. ChmE Group Title
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    @jim_thompson5910 started you off great. There is still something in common you could factor out to further simplify it. Think about it

    • one year ago
  5. math>philosophy Group Title
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    I think he left it out on purpose

    • one year ago
  6. Kuoministers Group Title
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    Thanks you so much jim.. i know how to complete it now. Thanks

    • one year ago
  7. jim_thompson5910 Group Title
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    np

    • one year ago
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