document.write( "Question 723149: (4x − 5)(4x + 5) Multiply, please help and thank you in advance. \n" ); document.write( "
Algebra.Com's Answer #443044 by stanbon(75887)\"\" \"About 
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(4x − 5)(4x + 5)
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\n" ); document.write( "= 4x(4x+5)-5(4x+5)
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\n" ); document.write( "= 16x^2 + 20x - 20x - 25
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\n" ); document.write( "= 16x^2 -25
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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