document.write( "Question 1163663: Determine the value(s) of x such that the area of the parallelogram formed
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Algebra.Com's Answer #787844 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "\"Area\"\"%22%22=%22%22\"\"abs%28abs%28matrix%281%2C3%2Ca%2Cx%2Cb%29%29%29\"\r\n" );
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document.write( "\"matrix%281%2C3%2Ca%2Cx%2Cb%29\"\"%22%22=%22%22\"\"abs%28matrix%283%2C3%2Ci%2Cj%2Ck%2Cx%2B1%2C1%2C-2%2Cx%2C3%2C0%29%29\"\"%22%22=%22%22\"\"%22%22=%22%22\"\r\n" );
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document.write( "\"%22%22=%22%22\"\r\n" );
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document.write( "\"%280%2B6%5E%22%22%29i-%280%2B2x%5E%22%22%29j%2B%283x%2B3-x%5E%22%22%29k\"\"%22%22=%22%22\"\"6i-2xj%2B%282x%2B3%29k\"\r\n" );
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document.write( "\"Area\"\"%22%22=%22%22\"\"abs%28abs%28matrix%281%2C3%2Ca%2Cx%2Cb%29%29%29\"\"%22%22=%22%22\"\"abs%28abs%286i-2xj%2B%282x%2B3%29k%29%29\"\"%22%22=%22%22\"\"sqrt%286%5E2%2B%28-2x%29%5E2%2B%282x%2B3%29%5E2%29\"\"%22%22=%22%22\"\r\n" );
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document.write( "\"sqrt%2836%2B4x%5E2%2B4x%5E2%2B12x%2B9%29\"\"%22%22=%22%22\"\"sqrt%288x%5E2%2B12x%2B45%29\"\"%22%22=%22%22\"\"41\"\r\n" );
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document.write( "                               \"sqrt%288x%5E2%2B12x%2B45%29\"\"%22%22=%22%22\"\"41\"\r\n" );
document.write( "                                   \"8x%5E2%2B12x%2B45\"\"%22%22=%22%22\"\"41%5E2\"\r\n" );
document.write( "                                   \"8x%5E2%2B12x%2B45\"\"%22%22=%22%22\"\"1681\"\r\n" );
document.write( "                                   \"8x%5E2%2B12x-1636\"\"%22%22=%22%22\"\"0\"\r\n" );
document.write( "                                   \"2x%5E2%2B3x-409\"\"%22%22=%22%22\"\"0\"\r\n" );
document.write( "                                   \"x+=+%28-%283%29+%2B-+sqrt%28+%283%29%5E2-4%282%29%28-409%29%29%29%2F%282%282%29%29+\"\r\n" );
document.write( "                                   \"x+=+%28-3+%2B-+sqrt%283281%29%29%2F%284%29+\"\r\n" );
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document.write( "The positive solution is x = 13.57000349, approximately.\r\n" );
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document.write( "Edwin
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