document.write( "Question 557456: 5b^2+28b+32=0 \n" ); document.write( "
Algebra.Com's Answer #362615 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"5b%5E2%2B28b%2B32=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"5b%5E2%2B28b%2B32\" is in the form of \"Ab%5E2%2BBb%2BC\" where \"A=5\", \"B=28\", and \"C=32\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for \"b\":\r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-B+%2B-+sqrt%28+B%5E2-4AC+%29%29%2F%282A%29\" Start with the quadratic formula\r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-%2828%29+%2B-+sqrt%28+%2828%29%5E2-4%285%29%2832%29+%29%29%2F%282%285%29%29\" Plug in \"A=5\", \"B=28\", and \"C=32\"\r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-28+%2B-+sqrt%28+784-4%285%29%2832%29+%29%29%2F%282%285%29%29\" Square \"28\" to get \"784\". \r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-28+%2B-+sqrt%28+784-640+%29%29%2F%282%285%29%29\" Multiply \"4%285%29%2832%29\" to get \"640\"\r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-28+%2B-+sqrt%28+144+%29%29%2F%282%285%29%29\" Subtract \"640\" from \"784\" to get \"144\"\r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-28+%2B-+sqrt%28+144+%29%29%2F%2810%29\" Multiply \"2\" and \"5\" to get \"10\". \r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-28+%2B-+12%29%2F%2810%29\" Take the square root of \"144\" to get \"12\". \r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-28+%2B+12%29%2F%2810%29\" or \"b+=+%28-28+-+12%29%2F%2810%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"b+=+%28-16%29%2F%2810%29\" or \"b+=++%28-40%29%2F%2810%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"b+=+-8%2F5\" or \"b+=+-4\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"b+=+-8%2F5\" or \"b+=+-4\" \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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