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March 26, 2017

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whats the lowest common denominator LCD with x^2-25 and x+5

  • Algebra LCD - ,

    Since x^2 - 25 = (x+5)(x-5),

    I'd say x+5 is the greatest common divisor.

    Since we have no fractions, I don't think we can talk about denominators. (Unless we are in fact talking about denominators of fractions whose numerators are unspecified ...)

  • Algebra LCD - ,

    oops. In that case, then (x^2-25) would be the LCD.

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