Question 1044700
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For many other similar problems see the lessons

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/real-numbers/Calculations-of-expressions-containing-square-roots.lesson>Calculations of expressions containing square roots</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/real-numbers/Prove-that-two-irrational-numbers-are-equal.lesson>Prove that two irrational numbers are equal</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/real-numbers/Is-this-number-rational-or-irrational.lesson>Is this number rational or irrational?</A> 

in this site.


Also, you have this free of charge online textbook in ALGEBRA-I in this site

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson>ALGEBRA-I - YOUR ONLINE TEXTBOOK</A>.