document.write( "Question 471012: how do you factor x squared minus 196? \n" ); document.write( "
Algebra.Com's Answer #323082 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"x%5E2-196\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%29%5E2-196\" Rewrite \"x%5E2\" as \"%28x%29%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%29%5E2-%2814%29%5E2\" Rewrite \"196\" as \"%2814%29%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "Notice how we have a difference of squares \"A%5E2-B%5E2\" where in this case \"A=x\" and \"B=14\".\r
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\n" ); document.write( "\n" ); document.write( "So let's use the difference of squares formula \"A%5E2-B%5E2=%28A%2BB%29%28A-B%29\" to factor the expression:\r
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\n" ); document.write( "\n" ); document.write( "\"A%5E2-B%5E2=%28A%2BB%29%28A-B%29\" Start with the difference of squares formula.\r
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\n" ); document.write( "\n" ); document.write( "\"%28x%29%5E2-%2814%29%5E2=%28x%2B14%29%28x-14%29\" Plug in \"A=x\" and \"B=14\".\r
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\n" ); document.write( "\n" ); document.write( "So this shows us that \"x%5E2-196\" factors to \"%28x%2B14%29%28x-14%29\".\r
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\n" ); document.write( "\n" ); document.write( "In other words \"x%5E2-196=%28x%2B14%29%28x-14%29\".
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