document.write( "Question 122586: 3.) 4x2 + 20x + 5y +xy \r
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Algebra.Com's Answer #90021 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
# 3\r
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\n" ); document.write( "\n" ); document.write( "\"4x%5E2+%2B+20x+%2B+5y+%2Bxy\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"4x%5E2%2B20x%2Bxy%2B5y\" Switch the last two terms\r
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\n" ); document.write( "\n" ); document.write( "\"%284x%5E2%2B20x%29%2B%28xy%2B5y%29\" Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"4x%28x%2B5%29%2By%28x%2B5%29\" Factor out the GCF \"4x\" out of the first group. Factor out the GCF \"y\" out of the second group\r
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\n" ); document.write( "\n" ); document.write( "\"%284x%2By%29%28x%2B5%29\" Since we have the common term \"x%2B5\", we can combine like terms\r
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\n" ); document.write( "\n" ); document.write( "So \"4x%5E2+%2B+20x+%2B+5y+%2Bxy\" factors to \"%284x%2By%29%28x%2B5%29\"\r
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\n" ); document.write( "\n" ); document.write( "# 4\r
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\n" ); document.write( "\n" ); document.write( "\"48x%5E2y%2B20xz%2B12xy%2B5z\" Start with the given expression\r
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\n" ); document.write( "\n" ); document.write( "\"%2848x%5E2y%2B20xz%29%2B%2812xy%2B5z%29\" Group like terms\r
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\n" ); document.write( "\n" ); document.write( "\"4x%2812xy%2B5z%29%2B1%2812xy%2B5z%29\" Factor out the GCF \"4x\" out of the first group. Factor out the GCF \"1\" out of the second group\r
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\n" ); document.write( "\n" ); document.write( "\"%284x%2B1%29%2812xy%2B5z%29\" Since we have the common term \"12xy%2B5z\", we can combine like terms\r
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\n" ); document.write( "\n" ); document.write( "So \"48x%5E2y%2B20xz%2B12xy%2B5z\" factors to \"%284x%2B1%29%2812xy%2B5z%29\"
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