document.write( "Question 172191: please help me solve this equation: \"+4x%5E2-8x%2B3=0+\" \n" ); document.write( "
Algebra.Com's Answer #127211 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"4x%5E2-8x%2B3=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 \"ax%5E2%2Bbx%2Bc\" where \"a=4\", \"b=-8\", 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-%28-8%29+%2B-+sqrt%28+%28-8%29%5E2-4%284%29%283%29+%29%29%2F%282%284%29%29\" Plug in \"a=4\", \"b=-8\", and \"c=3\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+%28-8%29%5E2-4%284%29%283%29+%29%29%2F%282%284%29%29\" Negate \"-8\" to get \"8\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+64-4%284%29%283%29+%29%29%2F%282%284%29%29\" Square \"-8\" to get \"64\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+64-48+%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+=+%288+%2B-+sqrt%28+16+%29%29%2F%282%284%29%29\" Subtract \"48\" from \"64\" to get \"16\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+sqrt%28+16+%29%29%2F%288%29\" Multiply \"2\" and \"4\" to get \"8\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B-+4%29%2F%288%29\" Take the square root of \"16\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%288+%2B+4%29%2F%288%29\" or \"x+=+%288+-+4%29%2F%288%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%2812%29%2F%288%29\" or \"x+=++%284%29%2F%288%29\" Combine like terms. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+3%2F2\" or \"x+=+1%2F2\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So the answers are \"x+=+3%2F2\" or \"x+=+1%2F2\" \r
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