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anonymous

  • 5 years ago

i have to solve 2x-1/x+8 + 34x/x squared - 64

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  1. anonymous
    • 5 years ago
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    Can you type that out in equation?

  2. anonymous
    • 5 years ago
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    i dont know how

  3. anonymous
    • 5 years ago
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    Is this your equation ?\[\frac{2x-1}{x+8}+\frac{34x}{x^2-64}\]

  4. anonymous
    • 5 years ago
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    yes

  5. anonymous
    • 5 years ago
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    There is no equal sign, so you can't exactly solve it. But think what can you multiply one of the fractions to make it look like the other so you can simply add them.

  6. anonymous
    • 5 years ago
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    Are you trying to find out what x is or are you trying to simplify the equation

  7. anonymous
    • 5 years ago
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    simplify them. and i got the common denominator as x squared - 64 but the book says that the answer is the denominator being x-8

  8. anonymous
    • 5 years ago
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    Maybe you can factorize \[x^2 -64\]

  9. anonymous
    • 5 years ago
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    once you find a common denominator you should get: \[\frac{(2x-1)(x-8)+34x}{x^2-64}\] \[x^2-64=(x+8)(x-8)\] once you expand the numerator and factor the denominator you should get: \[\frac{2x^2+17x+8}{(x+8)(x-8)}\] now you can factor the numerator: \[\frac{(2x+1)(x+8)}{(x+8)(x-8)}\] The x+8 in the numerator and denominator can be canceled giving: \[\frac{2x+1}{x-8}\]

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