document.write( "Question 109087: Please, can any one help me solve this difficult problem?? I would deeply appreciate it. Thank you!!\r
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document.write( "4(x+2)^2+320=0\r
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Algebra.Com's Answer #79541 by edjones(8007)![]() ![]() You can put this solution on YOUR website! 4(x+2)^2+320=0 \n" ); document.write( "4(x^2+4x+4)+320=0 \n" ); document.write( "4x^2+16x+16+320=0 \n" ); document.write( "4x^2+16x+336 \n" ); document.write( "4(x^2+4x+84)=0 \n" ); document.write( "x^2+4x =-84 \n" ); document.write( "x^2+4x+4=-84+4 complete the square \n" ); document.write( "(x+2)^2=-80 \n" ); document.write( "x+2=+-sqrt(-80) \n" ); document.write( "x=-2+-sqrt(16*-5) \n" ); document.write( "x=-2+-4i*sqrt(5) \n" ); document.write( "Ed\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |