document.write( "Question 521161: (x+1)(x3+7x2+5x+4) \n" ); document.write( "

Algebra.Com's Answer #346357 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"%28x%2B1%29%28x%5E3%2B7x%5E2%2B5x%2B4%29\"$ Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( " $\"x%28x%5E3%2B7x%5E2%2B5x%2B4%29%2B1%28x%5E3%2B7x%5E2%2B5x%2B4%29\"$ Expand.\r
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Distribute.\r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E4%2B7%2Ax%5E3%2B5%2Ax%5E2%2B4%2Ax%2Bx%5E3%2B7%2Ax%5E2%2B5%2Ax%2B4\"$ Multiply.\r
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\n" ); document.write( "\n" ); document.write( " $\"x%5E4%2B8%2Ax%5E3%2B12%2Ax%5E2%2B9%2Ax%2B4\"$ Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( " So $\"%28x%2B1%29%28x%5E3%2B7x%5E2%2B5x%2B4%29\"$ expands to $\"x%5E4%2B8%2Ax%5E3%2B12%2Ax%5E2%2B9%2Ax%2B4\"$ .\r
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\n" ); document.write( "\n" ); document.write( "In other words, $\"%28x%2B1%29%28x%5E3%2B7x%5E2%2B5x%2B4%29=x%5E4%2B8%2Ax%5E3%2B12%2Ax%5E2%2B9%2Ax%2B4\"$ .\r
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\n" ); document.write( "\n" ); document.write( "If you need more help, email me at jim_thompson5910@hotmail.com\r
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\n" ); document.write( "\n" ); document.write( "Also, please consider visiting my website: http://www.freewebs.com/jimthompson5910/home.html and making a donation. Thank you\r
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\n" ); document.write( "\n" ); document.write( "Jim \n" ); document.write( "

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