document.write( "Question 1035074: Given function is 2(raise to the power of 1+2x) - 5(2x)= -2
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Algebra.Com's Answer #649702 by ikleyn(52797)\"\" \"About 
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\n" ); document.write( "Given function is 2(raise to the power of 1+2x) - 5(2x)= -2
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document.write( "1. (-1) is not the root.\r\n" );
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document.write( "2. 1 is the root.\r\n" );
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document.write( "3. There is one more positive root at x ~ 0.9.\r\n" );
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document.write( "4. It may be proved mathematically that there are only two roots, using convexity, for example.\r\n" );
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document.write( "5. The second root might be found approximately/numerically by applying some iteration process.\r\n" );
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document.write( "   Or graphically.\r\n" );
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document.write( "6. I do not see a way to find the second root analytically by means of school math.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Figure. Plot y = \"2%5E%281%2B2x%29+-+10x+%2B+2\".\r
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