SOLUTION: please help with step by step 21x^2-49x-42 over 4x^2-28x+48 divided by 21x+14 over 8x^2-32x

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Question 200970: please help with step by step 21x^2-49x-42 over 4x^2-28x+48 divided by 21x+14 over 8x^2-32x
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
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,

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