document.write( "Question 907193: 1) x^2-169
\n" ); document.write( "2) 9x^2-25y
\n" ); document.write( "3) 2x^3-128x
\n" ); document.write( "4) x^32-1
\n" ); document.write( "

Algebra.Com's Answer #550182 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Do you have a question? \n" ); document.write( "
\n" );