SOLUTION: How do you solve: {{{ 5 radical -16 + 3 radical -81 }}}

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Question 202863This question is from textbook college algebra
: How do you solve: This question is from textbook college algebra

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


Factor


Break up the roots


Replace with "i"


Take the square root of 16 to get 4. Take the square root of 81 to get 9.


Rearrange the terms.


Multiply


Combine like terms.


So

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