document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=55095>Question 55095</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help factor completly 49x^2-28xy+4y^2 </SPAN>\n" );
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document.write( "ans.<BR>\n" );
document.write( "given 49x^2-28xy+4y^2<BR>\n" );
document.write( "      = (7x)^2-2*(7x)*(2y)+(2y)^2<BR>\n" );
document.write( "      = (7x-2y)^2\r<BR>\n" );
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document.write( "since( a - b )^2 = a^2-2ab+b^2 </SPAN>\n" );
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