document.write( "Question 338666: Multiply (3x+4)(7x^2+5x+2) \n" ); document.write( "

Algebra.Com's Answer #242736 by jim_thompson5910(35256) $\"\"$ $\"About$

You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( " $\"%283x%2B4%29%287x%5E2%2B5x%2B2%29\"$ Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( " $\"3x%287x%5E2%2B5x%2B2%29%2B4%287x%5E2%2B5x%2B2%29\"$ Expand.\r
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Distribute.\r
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\n" ); document.write( "\n" ); document.write( " $\"21%2Ax%5E3%2B15%2Ax%5E2%2B6%2Ax%2B28%2Ax%5E2%2B20%2Ax%2B8\"$ Multiply.\r
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\n" ); document.write( "\n" ); document.write( " $\"21%2Ax%5E3%2B43%2Ax%5E2%2B26%2Ax%2B8\"$ Now combine like terms.\r
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\n" ); document.write( "\n" ); document.write( " So $\"%283x%2B4%29%287x%5E2%2B5x%2B2%29\"$ expands to $\"21%2Ax%5E3%2B43%2Ax%5E2%2B26%2Ax%2B8\"$ .\r
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\n" ); document.write( "\n" ); document.write( "In other words, $\"%283x%2B4%29%287x%5E2%2B5x%2B2%29=21%2Ax%5E3%2B43%2Ax%5E2%2B26%2Ax%2B8\"$ .\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, feel free to check out my tutoring website. \r
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\n" ); document.write( "\n" ); document.write( "Jim
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