document.write( "Question 76666: (5x+y)(5x-y) \n" ); document.write( "
Algebra.Com's Answer #54984 by mathman409(67)\"\" \"About 
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(5x+y)(5x-y)
\n" ); document.write( "First,open one parenthesis
\n" ); document.write( "5x(5x-y)+y(5x-y)
\n" ); document.write( "25x^2-5xy+5xy-y^2
\n" ); document.write( "25x^2-y^2
\n" ); document.write( "
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