Worksheet: Square of a difference `(a - b)^2`

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Question

Answer

`(x - 10y)^2`

`x^2 + 100y^2 - 20xy`

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`(4y - 5x)^2`

`16y^2 + 25x^2 - 40xy`

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`(a/2 - 3b)^2`

`a^2/4 + 9b^2 - 3ab`

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`(x/5 - y/7)^2`

`x^2/25 + y^2/49 - (2xy)/35`

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`(3x - 5y)^2`

`9x^2 + 25y^2 - 30xy`

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