document.write( "Question 1073673: How do you simplify (s+2)^2-s^2? \n" ); document.write( "
Algebra.Com's Answer #688463 by ikleyn(52796)\"\" \"About 
You can put this solution on YOUR website!
.
\n" ); document.write( "
\r\n" );
document.write( "Use the formula\r\n" );
document.write( "\r\n" );
document.write( "\"a%5E2+-+b%5E2\" = (a+b)*(a-b).\r\n" );
document.write( "\r\n" );
document.write( "Apply it with a = s+2, b = s.  You will get\r\n" );
document.write( "\r\n" );
document.write( "\"%28s%2B2%29%5E2+-+s%5E2\" = \"%28s%2B2%2Bs%29%2A%28s%2B2-s%29\" = 2*(2s+2) = 4*(s+1).\r\n" );
document.write( "
\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );