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March 28, 2017

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6/(a^(2)+a-6) = 4/(a^(2)-9)

  • Math - ,

    6/(a^2+a-6) = 4/(a^2-9).
    6/(a-2)(a+3) = 4/(a-3)(a+3)
    Multiply both sides by a+3:
    6/(a-2) = 4/(a-3)
    Cross multiply:
    6a - 18 = 4a - 8
    6a - 4a = -8 + 18
    2a = 10
    a = 5.

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