document.write( "Question 179427: i seem to be having trouble can i please have help?\r
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Algebra.Com's Answer #134351 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"4s%5E2-100t%5E2\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"4%28s%5E2-25t%5E2%29\" Factor out the GCF \"4\"\r
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\n" ); document.write( "\n" ); document.write( "Now let's focus on the inner expression \"s%5E2-25t%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "\"s%5E2-25t%5E2\" Start with the inner expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28s%29%5E2-25t%5E2\" Rewrite \"s%5E2\" as \"%28s%29%5E2\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28s%29%5E2-%285t%29%5E2\" Rewrite \"25t%5E2\" as \"%285t%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=s\" and \"B=5t\".\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( "\"%28s%29%5E2-%285t%29%5E2=%28s%2B5t%29%28s-5t%29\" Plug in \"A=s\" and \"B=5t\".\r
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\n" ); document.write( "\n" ); document.write( "So this shows us that \"s%5E2-25t%5E2\" factors to \"%28s%2B5t%29%28s-5t%29\".\r
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\n" ); document.write( "\n" ); document.write( "In other words \"s%5E2-25t%5E2=%28s%2B5t%29%28s-5t%29\".\r
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\n" ); document.write( "\n" ); document.write( "So this means that \"4%28s%5E2-25t%5E2%29\" factors down further to \"4%28s%2B5t%29%28s-5t%29\"\r
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\n" ); document.write( "\n" ); document.write( "So \"4s%5E2-100t%5E2\" completely factors to \"4%28s%2B5t%29%28s-5t%29\"\r
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