document.write( "Question 619743: 4x2 – 81y2\r
\n" ); document.write( "\n" ); document.write( " A.
\n" ); document.write( " (2x + 9)(2x – 9)
\n" ); document.write( " B.
\n" ); document.write( " (2x + 9y)(2x – 9y)
\n" ); document.write( " C.
\n" ); document.write( " (2x + 9y)2
\n" ); document.write( " D.
\n" ); document.write( " (2x – 9y)2
\n" ); document.write( "Thank you! \n" ); document.write( "

Algebra.Com's Answer #389764 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
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document.write( "Hi,
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document.write( "
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document.write( "factoring
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document.write( "(2x + 9y)(2x - 9y)
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document.write( "Checking with FOIL
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document.write( "F	First terms  4x^2
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document.write( "O	Outside terms -18xy
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document.write( "I	Inside terms  +18xy
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document.write( "L	Last terms    -81y^2
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document.write( "  \n" );
document.write( "

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