document.write( "Question 1140329: Rewrite without absolute value sign for different values of x:\r
\n" ); document.write( "\n" ); document.write( "y= −|2x+5|+|2x−5|\r
\n" ); document.write( "\n" ); document.write( "if x<−2.5;
\n" ); document.write( "if x>2.5;
\n" ); document.write( "if −2.5≤x≤2.5
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #760849 by greenestamps(13206)\"\" \"About 
You can put this solution on YOUR website!


\n" ); document.write( "\"abs%28A%29+=+A\" if A >= 0;
\n" ); document.write( "\"abs%28A%29+=+-A\" if A < 0.

\n" ); document.write( "(1) If x < -2.5, then...

\n" ); document.write( "2x+5 and 2x-5 are both <0, so

\n" ); document.write( "\"abs%282x%2B5%29+=+-%282x%2B5%29\"
\n" ); document.write( "\"-abs%282x%2B5%29+=+2x%2B5\"
\n" ); document.write( "\"abs%282x-5%29+=+-%282x-5%29+=+-2x%2B5\"
\n" ); document.write( "\"-abs%282x%2B5%29%2Babs%282x-5%29+=+%282x%2B5%29%2B%28-2x%2B5%29+=+10\"

\n" ); document.write( "(2) If x >= 2.5, then...

\n" ); document.write( "2x+5 and 2x-5 are both >0, so

\n" ); document.write( "\"abs%282x%2B5%29+=+2x%2B5\"
\n" ); document.write( "\"-abs%282x%2B5%29+=+-%282x%2B5%29+=+-2x-5\"
\n" ); document.write( "\"abs%282x-5%29+=+2x-5\"
\n" ); document.write( "\"-abs%282x%2B5%29%2Babs%282x-5%29+=+%28-2x-5%29%2B%282x-5%29+=+-10\"

\n" ); document.write( "(3) If -2.5 < x <= 2.5, then...

\n" ); document.write( "2x+5 >0 and 2x-5 < 0, so

\n" ); document.write( "\"abs%282x%2B5%29+=+2x%2B5\"
\n" ); document.write( "\"-abs%282x%2B5%29+=+-%282x%2B5%29+=+-2x-5\"
\n" ); document.write( "\"abs%282x-5%29+=+-%282x-5%29+=+-2x%2B5%29\"
\n" ); document.write( "\"-abs%282x%2B5%29%2Babs%282x-5%29+=+%28-2x-5%29%2B%28-2x%2B5%29+=+-4x\"

\n" ); document.write( "Summary:

\n" ); document.write( "y = 10; if x < -2.5
\n" ); document.write( "y = -4x; if -2.5 <= x <= 2.5
\n" ); document.write( "y = -10; if x > 2.5

\n" ); document.write( "A graph....

\n" ); document.write( "\"graph%28400%2C400%2C-5%2C5%2C-15%2C15%2C-abs%282x%2B5%29%2Babs%282x-5%29%29\"
\n" ); document.write( "
\n" );