document.write( "Question 337545: 4x^2-13x+3=0 \n" ); document.write( "
Algebra.Com's Answer #241933 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"4x%5E2-13x%2B3=0\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"4x%5E2-13x%2B3\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=4\", \"B=-13\", and \"C=3\"\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-%28-13%29+%2B-+sqrt%28+%28-13%29%5E2-4%284%29%283%29+%29%29%2F%282%284%29%29\" Plug in \"A=4\", \"B=-13\", and \"C=3\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B-+sqrt%28+%28-13%29%5E2-4%284%29%283%29+%29%29%2F%282%284%29%29\" Negate \"-13\" to get \"13\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B-+sqrt%28+169-4%284%29%283%29+%29%29%2F%282%284%29%29\" Square \"-13\" to get \"169\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B-+sqrt%28+169-48+%29%29%2F%282%284%29%29\" Multiply \"4%284%29%283%29\" to get \"48\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B-+sqrt%28+121+%29%29%2F%282%284%29%29\" Subtract \"48\" from \"169\" to get \"121\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B-+sqrt%28+121+%29%29%2F%288%29\" Multiply \"2\" and \"4\" to get \"8\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B-+11%29%2F%288%29\" Take the square root of \"121\" to get \"11\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2813+%2B+11%29%2F%288%29\" or \"x+=+%2813+-+11%29%2F%288%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2824%29%2F%288%29\" or \"x+=++%282%29%2F%288%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+3\" or \"x+=+1%2F4\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+3\" or \"x+=+1%2F4\" \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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