document.write( "Question 1031914: Construct a viable argument in solving a simple equation.\r
\n" ); document.write( "\n" ); document.write( "11. Which polynomial identity will prove 25 – 4 = 21?\r
\n" ); document.write( "\n" ); document.write( "A. Difference of Cubes B. Square of a Binomial\r
\n" ); document.write( "\n" ); document.write( "C. Difference of Squares D. Sum of Cubes
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Algebra.Com's Answer #646646 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
C. Difference of Squares\r
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\n" ); document.write( "\n" ); document.write( "\"5%5E2+-+2%5E2+=+%285-2%29%285%2B2%29+=+3%2A7+=+21\"
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