document.write( "Question 87950This question is from textbook algebra structure and method
\n" ); document.write( ": I'm supposed to express in simpest radical form.
\n" ); document.write( "(square root of 3 minus square root of 5)(square root of 3 minus square root of 5).
\n" ); document.write( "Would you use the problem solving technique of (a-b)*(a+b)=asquare-bsquarePlease help!!
\n" ); document.write( "Thanks!!! \n" ); document.write( "
Algebra.Com's Answer #63831 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
express in simpest radical form.
\n" ); document.write( "(square root of 3 minus square root of 5)(square root of 3 minus square root of 5).
\n" ); document.write( "-----------------
\n" ); document.write( "(sqrt3 - sqt5)(sqrt3 - sqrt5)
\n" ); document.write( "Use FOIL to get:
\n" ); document.write( "F: sqrt3*sqrt3 = 3
\n" ); document.write( "O: -sqrt5*sqrt3 = -sqrt15
\n" ); document.write( "I: -sqrt3*sqrt5 = sqrt 15
\n" ); document.write( "L: sqrt5*sqrt5 = 5
\n" ); document.write( "------------
\n" ); document.write( "Combine these to get:
\n" ); document.write( "8 - 2sqrt15
\n" ); document.write( "===============
\n" ); document.write( "The form you could use here is (a-b)(a-b)=a^2-2ab+b^2
\n" ); document.write( "This is called \"the square of a binomial\".
\n" ); document.write( "===============================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
\n" );