document.write( "Question 148594: how would u factor \r
\n" ); document.write( "\n" ); document.write( "x^2-16 \n" ); document.write( "

Algebra.Com's Answer #108950 by Fombitz(32388) $\"\"$ $\"About$

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Problems of this form
\n" ); document.write( " $\"x%5E2-a%5E2\"$
\n" ); document.write( "factor into
\n" ); document.write( " $\"%28x%2Ba%29%28x-a%29\"$
\n" ); document.write( "In your case a=4 and the factors are then,
\n" ); document.write( " $\"x%5E2-16=%28x%2B4%29%28x-4%29\"$ \n" ); document.write( "

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