document.write( "Question 121354: Solve by completeing the square.\r
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document.write( "x squared - 6x -3 = 0\r
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document.write( "2x squared + 10x + 11 = 0\r
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Algebra.Com's Answer #89102 by checkley71(8403)![]() ![]() ![]() You can put this solution on YOUR website! X^2-6X-3=0 \n" ); document.write( "X^2-6X+9=3+9 \n" ); document.write( "(X-3)^2=12 \n" ); document.write( "X-3=SQRT12 \n" ); document.write( "X=3+3.464 \n" ); document.write( "X=6.464 ANSWER. \n" ); document.write( "---------------------------------- \n" ); document.write( "2X^2+10X+11=0 \n" ); document.write( "2X^2+10X=11 \n" ); document.write( "2(X^2+5X+6.26)=11+2*6.25 \n" ); document.write( "2(X+5/2)^2=11+12.5 \n" ); document.write( "(X+5/2)^2=23.5/2 \n" ); document.write( "(X+5/2)^2=11.75 \n" ); document.write( "X+2.5=SQRT11.75 \n" ); document.write( "X=-2.5+3.4278 \n" ); document.write( "X=.92378 ANSWER.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |