document.write( "Question 203781: (z-10)(z+10)=z^2-100 \n" ); document.write( "
Algebra.Com's Answer #153769 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Yes, that is true.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );