document.write( "Question 907290: work out 164 to the power 2 minus 36 to the power 2 \n" ); document.write( "
Algebra.Com's Answer #550203 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
\"164%5E2-36%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "Recognize the difference of two squares. You would only need ONE multiplication; maybe easier, maybe not easier.\r
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\n" ); document.write( "\n" ); document.write( "\"%28164-36%29%28164%2B36%29\"
\n" ); document.write( "\"128%2A200\"
\n" ); document.write( "\"highlight%2825600%29\"\r
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\n" ); document.write( "\n" ); document.write( "(Some people can do \"128%2A200\" in their head)
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