document.write( "Question 1210236: 2^2x-3 — 2^2x-2 — 1 = 0 \n" ); document.write( "
Algebra.Com's Answer #851728 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "But it does have a complex solution\r\n" );
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document.write( "\"2%5E%282x-3%29+-+2%5E%282x-2%29+-+1+=+0\"\r\n" );
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document.write( "\"2%5E%282x%29%2A2%5E%28-3%29+-+2%5E%282x%29%2A2%5E%28-2%29+-+1=0\"\r\n" );
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document.write( "let \"y=2%5E%282x%29\"\r\n" );
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document.write( "\"y%2A2%5E%28-3%29+-+y%2A2%5E%28-2%29+-+1=0\"\r\n" );
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document.write( "\"y%5E%22%22%2F2%5E3+-+y%5E%22%22%2F2%5E2+-+1=0\"\r\n" );
document.write( "\r\n" );
document.write( "\"y%2F8+-+y%2F4+-+8=0\"\r\n" );
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document.write( "\"y-2y-8=0\"\r\n" );
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document.write( "\"-y-8=0\"\r\n" );
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document.write( "\"y%2B8=0\"\r\n" );
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document.write( "\"2%5E%282x%29%2B8=0\"\r\n" );
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document.write( "\"2%5E%282x%29+=+-8\"\r\n" );
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document.write( "Since \"e%5E%28x%2Ai%29=cos%28x%29%2Bi%2Asin%28x%29\" by one of many of Euler's equations.\r\n" );
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document.write( "\"e%5E%28pi%2Ai%29=cos%28pi%29%2Bi%2Asin%28pi%29\"\r\n" );
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document.write( "\"e%5E%28pi%2Ai%29=%28-1%29%2Bi%2A0=-1\"\r\n" );
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document.write( "\"2%5E%282x%29+=+e%5E%28pi%2Ai%29%2A8\"\r\n" );
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document.write( "\"2%5E%282x%29+=+e%5E%28pi%2Ai%29%2A2%5E3\"\r\n" );
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document.write( "\"2%5E%282x-3%29+=+e%5E%28pi%2Ai%29\"\r\n" );
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document.write( "Take natural logs of both sides:\r\n" );
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document.write( "\"ln%282%5E%282x-3%29%29+=+ln%28e%5E%28pi%2Ai%29%29\"\r\n" );
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document.write( "\"%282x-3%29%2Aln%282%29+=+pi%2Ai\"\r\n" );
document.write( "\r\n" );
document.write( "\"2x%2Aln%282%29-3%2Aln%282%29+=+pi%2Ai\"\r\n" );
document.write( "\r\n" );
document.write( "\"2x%2Aln%282%29+=+3ln%282%29%2Bpi%2Ai\"\r\n" );
document.write( "\r\n" );
document.write( "\"x+=+%283ln%282%29%2Bpi%2Ai%29%2F%282ln%282%29%29\"\r\n" );
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document.write( "\"x+=+3%2F2%2B+expr%28pi%2F%282ln%282%29%29%29%2Ai\"\r\n" );
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document.write( "Edwin
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