<PRE><B>Question 453787</B>
&quot;How is adding radical expressions similar to adding polynomial expressions&quot;


You add the numbers in front of the radical signs, just as you 
add the coefficients in front of the like variables


3 cats + 2 cats = 5 cats
3x + 2x = 5x
3&amp;#8730;2 + 2&amp;#8730;2 = 5&amp;#8730;2


1 dog + 6 dogs - 4 dogs = 3 dogs
x + 6x - 4x = 3x
&amp;#8730;5 + 6&amp;#8730;5 - 4&amp;#8730;5 = 3&amp;#8730;5
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