SOLUTION: Hello, I need some help with a couple of problems that are giving me a hard time. Any and all help will be appreciated. They are: 1. Divide: x^2 - 9x +8/2x - 4 / x^2 - 1/

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Question 201757: Hello,
I need some help with a couple of problems that are giving me a hard time. Any and all help will be appreciated. They are:
1. Divide: x^2 - 9x +8/2x - 4 / x^2 - 1/2x + 2
2. Perform the indicated operations: 4sqrt[50] + sqrt[32] - sqrt[18]
Again, any and all help will be appreciated.
Thank you in advance for your help.

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
# 1


Start with the given expression.


Multiply the first fraction by the reciprocal of the second fraction .


Factor to get .


Factor to get .


Factor to get .


Factor to get .


Combine the fractions.


Highlight the common terms.


Cancel out the common terms.


Simplify.


So simplifies to .


In other words,





# 2



Start with the given expression


Simplify to get . Note: If you need help with simplifying square roots, check out this solver.


Simplify to get .


Simplify to get .


Multiply 4 and 5 to get 20.


Factor out the GCF


Combine like terms.


So simplifies to .


In other words,

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