Question 170073: perform the indicated operation
5/x-5 - 8/x+8
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! perform the indicated operation
5/x-5 - 8/x+8
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lcd = (x-5)(x+8)
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Rewrite each fraction with the lcd as its denominator:
5(x+8)/lcd - 8(x-5)/lcd
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Combine the numerators over the lcd:
[5x+40-8x+40]/lcd
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Simplify:
[-3x+80]/[(x-5)(x+8]
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Cheers,
Stan H.
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