SOLUTION: rationalize the denominator 3/4-sqrt7 This is what I did: 3*sqrt7 / 4-sqrt7*sqrt7 3sqrt7/-3 -sqrt7

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Question 190243: rationalize the denominator
3/4-sqrt7
This is what I did:
3*sqrt7 / 4-sqrt7*sqrt7
3sqrt7/-3
-sqrt7

Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given expression.


Multiply both the numerator and denominator by


FOIL the denominator (using the difference of squares)


Square each term


Combine like terms.


Distribute



So

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