Worksheet: Difference of Squares

Instructions

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Question

Answer

`x^2 - 16`

`(x + 4)(x - 4)`

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`x^4 - 16`

`(x^2 + 4)(x + 2)(x - 2)`

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`2x^2 - 50`

`2(x + 25)(x - 25)`

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`x^3 - xy^2`

`x(x + y)(x - y)`

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`81x^4 - y^4`

`(9x^2 + y^2)(3x + y)(3x - y)`

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`125x^3 - 36x`

`5x(5x + 6)(5x - 6)`

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`162 - 8y^2`

`2(9 + 2y)(9 - 2y)`

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