document.write( "Question 373558: Please solve by completing the square
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document.write( "x^2 + 15x = -56 \n" );
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Algebra.Com's Answer #265853 by mananth(16946)![]() ![]() You can put this solution on YOUR website! x^2 + 15x = -56 \n" ); document.write( ".. \n" ); document.write( "x^2 + 15x +225/4= -56+(225/4) \n" ); document.write( ".. \n" ); document.write( "(x+7.5)^2=1/4 \n" ); document.write( ".. \n" ); document.write( "Take the square root of both sides \n" ); document.write( "(x+7.5)= +/-(1/2) \n" ); document.write( "x= -7.5-(1/2)= -8 \n" ); document.write( "OR \n" ); document.write( "x=-7.5+1/2=-7 \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |