document.write( "Question 196541: Solve using the quadratic formula:
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Algebra.Com's Answer #147319 by jim_thompson5910(35256)\"\" \"About 
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\"3x%5E2-2x=15x-10\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2-2x-15x%2B10=0\" Get all terms to the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"3x%5E2-17x%2B10=0\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "Notice we have a quadratic equation in the form of \"ax%5E2%2Bbx%2Bc\" where \"a=3\", \"b=-17\", and \"c=10\"\r
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\n" ); document.write( "\n" ); document.write( "Let's use the quadratic formula to solve for x\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%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( "\"x+=+%28-%28-17%29+%2B-+sqrt%28+%28-17%29%5E2-4%283%29%2810%29+%29%29%2F%282%283%29%29\" Plug in \"a=3\", \"b=-17\", and \"c=10\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B-+sqrt%28+%28-17%29%5E2-4%283%29%2810%29+%29%29%2F%282%283%29%29\" Negate \"-17\" to get \"17\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B-+sqrt%28+289-4%283%29%2810%29+%29%29%2F%282%283%29%29\" Square \"-17\" to get \"289\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B-+sqrt%28+289-120+%29%29%2F%282%283%29%29\" Multiply \"4%283%29%2810%29\" to get \"120\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B-+sqrt%28+169+%29%29%2F%282%283%29%29\" Subtract \"120\" from \"289\" to get \"169\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B-+sqrt%28+169+%29%29%2F%286%29\" Multiply \"2\" and \"3\" to get \"6\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B-+13%29%2F%286%29\" Take the square root of \"169\" to get \"13\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2817+%2B+13%29%2F%286%29\" or \"x+=+%2817+-+13%29%2F%286%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2830%29%2F%286%29\" or \"x+=++%284%29%2F%286%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+5\" or \"x+=+2%2F3\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+5\" or \"x+=+2%2F3\" \r
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