document.write( "Question 650728: If x= 1+ sqrt2 + sqrt3, then the value of 2x^4-8x^3-5x^2+26x-28 \n" ); document.write( "
Algebra.Com's Answer #407443 by Edwin McCravy(20060)\"\" \"About 
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document.write( "x2 = (1+Ö2+Ö3)2 = 6+2Ö2+2Ö3+2Ö6\r\n" );
document.write( "x3 = (1+Ö2+Ö3)3 = 16+14Ö2+12Ö3+6Ö6\r\n" );
document.write( "x4 = (1+Ö2+Ö3)4 = 80+48Ö2+40Ö3+32Ö6\r\n" );
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document.write( " 2x4 =  2(1+Ö2+Ö3)4 = 160+ 96Ö2+80Ö3+64Ö6\r\n" );
document.write( "-8x3 = -8(1+Ö2+Ö3)3 =-128-112Ö2-96Ö3-48Ö6\r\n" );
document.write( "-5x2 = -5(1+Ö2+Ö3)2 = -30- 10Ö2-10Ö3-10Ö6\r\n" );
document.write( "+26x = 26(1+Ö2+Ö3) =  26+ 26Ö2+26Ö3\r\n" );
document.write( "-28                = -28 \r\n" );
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document.write( "                   =   0+  0Ö2+ 0Ö3+ 6Ö6\r\n" );
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document.write( "Answer = 6Ö6\r\n" );
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document.write( "Edwin
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