document.write( "Question 114997: Perform the indicated operation.\r
\n" ); document.write( "\n" ); document.write( "(7a - 2b)(7a + 2b)
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Algebra.Com's Answer #83703 by checkley71(8403)\"\" \"About 
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(7A+2B)(7A-2B)=(49A^2-4B^2) ANSWER. \n" ); document.write( "
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