SOLUTION: 3 radical 7 - 2 radical 28

Question 134295: 3 radical 7 - 2 radical 28
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression

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

Multiply 2 and 2 to get 4.

Since we have the common term , we can combine like terms

Combine like terms.

Now simplify to get

Simplify

So simplifies to . In other words,
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