\r\n" );
document.write( "1)
\r\n" );
document.write( "\r\n" );
document.write( "Take square roots of both sides, but don't \r\n" );
document.write( "forget ± on the right side:\r\n" );
document.write( "\r\n" );
document.write( "
= ±
\r\n" );
document.write( "\r\n" );
document.write( "
= ±
\r\n" );
document.write( "\r\n" );
document.write( "Add -16 to both sides:\r\n" );
document.write( "\r\n" );
document.write( "
±
\r\n" );
document.write( "\r\n" );
document.write( "Using the +\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Using the -\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "2)
\r\n" );
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document.write( "Sorry, you mistyped that one as it shouldn't \r\n" );
document.write( "have two equal signs, and especially since\r\n" );
document.write( "16 does not equal 36. Repost it as it should \r\n" );
document.write( "be and we'll help you with it.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "3)
\r\n" );
document.write( "\r\n" );
document.write( "You didn't say what you are to do with this\r\n" );
document.write( "equation, so I'll arbitrarily assume the \r\n" );
document.write( "instructions were to solve for z. If that\r\n" );
document.write( "was not what you were told to do with the \r\n" );
document.write( "equation, then post again, this time giving\r\n" );
document.write( "the instructions.\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Take square roots of both sides, but don't \r\n" );
document.write( "forget ± on the right side:\r\n" );
document.write( "\r\n" );
document.write( "
= ±
\r\n" );
document.write( "\r\n" );
document.write( "
= ±
\r\n" );
document.write( "\r\n" );
document.write( "Add s to both sides:\r\n" );
document.write( "\r\n" );
document.write( "
±
\r\n" );
document.write( "\r\n" );
document.write( "Using the +\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Using the -\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( " \n" );
document.write( "