document.write( "Question 868369: 2 x to the second power - 1 = 19 \n" ); document.write( "
Algebra.Com's Answer #523520 by rfer(16322)\"\" \"About 
You can put this solution on YOUR website!
2x^2=20
\n" ); document.write( "x^2=10
\n" ); document.write( "x=3.16
\n" ); document.write( "
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