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Text File  |  1990-03-07  |  188b  |  7 lines
  1. ...do it using the FOIL method, because: #str[x+y]2# can also be written: #str[x+y][x+y]#.
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  3. The rule is: #str[x+y]2=x2+2xy+y2#.  Or you can...
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  5. Do you know the quick way to square #x01#?
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