document.write( "Question 930118: perform the indicated operations and simplify.\r
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Algebra.Com's Answer #564753 by TimothyLamb(4379)\"\" \"About 
You can put this solution on YOUR website!
(m - n)(m + n)
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\n" ); document.write( "Solve and graph linear equations:
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\n" ); document.write( "Solve quadratic equations, quadratic formula:
\n" ); document.write( "https://sooeet.com/math/quadratic-formula-solver.php
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\n" ); document.write( "Convert fractions, decimals, and percents:
\n" ); document.write( "https://sooeet.com/math/fraction-decimal-percent.php
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\n" ); document.write( "Calculate and graph the linear regression of any data set:
\n" ); document.write( "https://sooeet.com/math/linear-regression.php
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