document.write( "Question 553059: how do you slove this problem ?
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Algebra.Com's Answer #360647 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-x=12-x\" Start with the given equation.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2-x-12%2B1x=0\" Get every term to the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%5E2%2B0x-12=0\" Combine like terms.\r
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\n" ); document.write( "\n" ); document.write( "Notice that the quadratic \"2x%5E2%2B0x-12\" is in the form of \"Ax%5E2%2BBx%2BC\" where \"A=2\", \"B=0\", and \"C=-12\"\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-%280%29+%2B-+sqrt%28+%280%29%5E2-4%282%29%28-12%29+%29%29%2F%282%282%29%29\" Plug in \"A=2\", \"B=0\", and \"C=-12\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0+%2B-+sqrt%28+0-4%282%29%28-12%29+%29%29%2F%282%282%29%29\" Square \"0\" to get \"0\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0+%2B-+sqrt%28+0--96+%29%29%2F%282%282%29%29\" Multiply \"4%282%29%28-12%29\" to get \"-96\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0+%2B-+sqrt%28+0%2B96+%29%29%2F%282%282%29%29\" Rewrite \"sqrt%280--96%29\" as \"sqrt%280%2B96%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0+%2B-+sqrt%28+96+%29%29%2F%282%282%29%29\" Add \"0\" to \"96\" to get \"96\"\r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0+%2B-+sqrt%28+96+%29%29%2F%284%29\" Multiply \"2\" and \"2\" to get \"4\". \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0+%2B-+4%2Asqrt%286%29%29%2F%284%29\" Simplify the square root (note: If you need help with simplifying square roots, check out this solver) \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+%28-0%29%2F%284%29+%2B-+%284%2Asqrt%286%29%29%2F%284%29\" Break up the fraction. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+0+%2B-+sqrt%286%29\" Reduce. \r
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\n" ); document.write( "\n" ); document.write( "\"x+=+sqrt%286%29\" or \"x+=+-sqrt%286%29\" Break up the expression. \r
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\n" ); document.write( "\n" ); document.write( "So the solutions are \"x+=+sqrt%286%29\" or \"x+=+-sqrt%286%29\"
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