document.write( "Question 39119This question is from textbook
\n" ); document.write( ": There are several problems in today's homework I can't get. I need to factor each differnence of two squares. Here's one: x2-4 \n" ); document.write( "
Algebra.Com's Answer #24545 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
x^2 - 4 = (x + 2)(x - 2)
\n" ); document.write( "It's always
\n" ); document.write( "a^2 - b^2 = (a + b)(a - b)
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