SOLUTION: I need help simplying radicals by factoring.

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Question 171500This question is from textbook
: I need help simplying radicals by factoring. This question is from textbook

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!
Share a problem and someone will try to help you. In general, if you are factoring the expression under a radical, look for factors that are perfect squares.

For example, if you are faced with , but you know that , then you can write

For a specific example, simplify . We know that , but since , , so

For a more complex specific example, consider

Factor completely: . Now we have:

which can be written

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