document.write( "Question 1210236: 2^2x-3 — 2^2x-2 — 1 = 0 \n" ); document.write( "
Algebra.Com's Answer #851721 by mccravyedwin(407)\"\" \"About 
You can put this solution on YOUR website!
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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( "There is no real solution.  Do you want complex solution(s)?\r\n" );
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document.write( "Normally if complex solutions are wanted, the variable is z, not x.\r\n" );
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document.write( "Edwin
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