document.write( "Question 772061: 2x^4+5x^3+4x^2+5x+2=0 \n" ); document.write( "
Algebra.Com's Answer #470650 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "2x4+5x3+4x2+5x+2=0 \r\n" );
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document.write( "2x4+4x2+2+5x3+5x=0\r\n" );
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document.write( "(2x4+4x2+2)+(5x3+5x)=0\r\n" );
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document.write( "2(x4+2x2+1)+5x(x2+1)=0\r\n" );
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document.write( "2(x2+1)(x2+1)+5x(x2+1)=0\r\n" );
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document.write( "(x2+1)[2(x2+1)+5x] = 0\r\n" );
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document.write( "(x2+1)(2x2+2+5x) = 0\r\n" );
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document.write( "(x2+1)(2x2+5x+2) = 0\r\n" );
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document.write( "(x2+1)(2x+1)(x+2) = 0\r\n" );
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document.write( "x²+1 = 0;  2x+1 = 0;   x+2 = 0\r\n" );
document.write( "  x² = -1    2x = -1     x = -2     \r\n" );
document.write( "   x = ±i     x = \"-1%2F2\"  \r\n" );
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document.write( "Edwin
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