document.write( "Question 381585: (2x+5)(2x-5) please solve using mulitplication \n" ); document.write( "
Algebra.Com's Answer #270680 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" );
document.write( "Hi,
\n" );
document.write( "If I am understanding the Question properly:
\n" );
document.write( "Note:SUM of the inner product(10*x) and the outer product(-10x) = 0
\n" );
document.write( "(2x+5)(2x-5)= 0 
\n" );
document.write( " 4x^2 - 25 = 0
\n" );
document.write( " 4x^2 = 25
\n" );
document.write( "  x^2 = 25/4
\n" );
document.write( "   x = ±  5/2 \n" );
document.write( "
\n" );