document.write( "Question 319319: Solve by completing the square and separate with comma:\r
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document.write( "x^2 + 3x - 40 = 0\r
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document.write( "Thanks in advance!! \n" );
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Algebra.Com's Answer #228624 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve by completing the square and separate with comma: \n" ); document.write( "x^2 + 3x - 40 = 0 \n" ); document.write( "----- \n" ); document.write( "x^2 + 3x + (3/2)^2 = 40+(3/2)^2 \n" ); document.write( "(x+(3/2))^2 = 169/4 \n" ); document.write( "(x+3/2) = 13/2 or x+(3/2) = -13/2 \n" ); document.write( "--------------------- \n" ); document.write( "x = 5 or x = -8 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |