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blkbutterfly13

  • 3 years ago

Use the “difference of squares” rule to factor the following expression: (36x^8-9y^4)

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  1. UsukiDoll
    • 3 years ago
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    these are all perfect squares, so we can factor them |dw:1346502816120:dw|

  2. anonymous
    • 3 years ago
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    or you can factor the 9 out first and write it as \[9(4x^8-y^4)\] then factor the difference of two squares as \(9(2x^4+y^2)(2x^4-y^2)\)

  3. UsukiDoll
    • 3 years ago
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    that too ^

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