document.write( "Question 704048: - X sq + X + 1 = 0\r
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document.write( "What is X ? \n" );
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Algebra.Com's Answer #433893 by sachi(548)![]() ![]() You can put this solution on YOUR website! - X^2 + X + 1 = 0 \n" ); document.write( "or X^2 - X - 1 = 0 \n" ); document.write( "or 4X^2 -4 X -4 = 0 multiplying 4 \n" ); document.write( "or (2x)^2-2*2x*1+1-1-4=0 \n" ); document.write( "or (2x-1)^2=5 \n" ); document.write( "or 2x-1=+/-sqrt5 \n" ); document.write( "or x=(1+/-sqrt5)/2 \n" ); document.write( "ans \n" ); document.write( " |