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Arhin

  • 3 years ago

simplify 9a^2 - 4(a-b)^2

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  1. binarymimic
    • 3 years ago
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    it looks like a difference of squares x^2 - y^2 where x = 3a y = 2(a-b) good luck :)

  2. AonZ
    • 3 years ago
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    (a+b)(a-b) = a^2 - b^2

  3. mominanisar
    • 3 years ago
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    9a^2 - 4(a-b)^2 9a^2 - 4(a^2+b^2-2ab) 9a^2 - 4a^2-4b^2+8ab 5a^2-4b^2+8ab

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