document.write( "Question 189892: solving a polynomial equation
\n" ); document.write( "-2h^2-28h-98=0
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Algebra.Com's Answer #142476 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"-2h%5E2-28h-98=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ah%5E2%2Bbh%2Bc\" where \"a=-2\", \"b=-28\", and \"c=-98\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for h\r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%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( "\"h+=+%28-%28-28%29+%2B-+sqrt%28+%28-28%29%5E2-4%28-2%29%28-98%29+%29%29%2F%282%28-2%29%29\" Plug in \"a=-2\", \"b=-28\", and \"c=-98\"\r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B-+sqrt%28+%28-28%29%5E2-4%28-2%29%28-98%29+%29%29%2F%282%28-2%29%29\" Negate \"-28\" to get \"28\". \r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B-+sqrt%28+784-4%28-2%29%28-98%29+%29%29%2F%282%28-2%29%29\" Square \"-28\" to get \"784\". \r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B-+sqrt%28+784-784+%29%29%2F%282%28-2%29%29\" Multiply \"4%28-2%29%28-98%29\" to get \"784\"\r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B-+sqrt%28+0+%29%29%2F%282%28-2%29%29\" Subtract \"784\" from \"784\" to get \"0\"\r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B-+sqrt%28+0+%29%29%2F%28-4%29\" Multiply \"2\" and \"-2\" to get \"-4\". \r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B-+0%29%2F%28-4%29\" Take the square root of \"0\" to get \"0\". \r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828+%2B+0%29%2F%28-4%29\" or \"h+=+%2828+-+0%29%2F%28-4%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"h+=+%2828%29%2F%28-4%29\" or \"h+=++%2828%29%2F%28-4%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"h+=+-7\" or \"h+=+-7\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answer is \"h+=+-7\" \r
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