document.write( "Question 170116: I messed up on my last question, can you please show how to solve this quadratic equation by completing the square not sq. rt prop.\r
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document.write( "m^2 = 8m + 3 \n" );
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Algebra.Com's Answer #125548 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! m^2 = 8m + 3 \n" ); document.write( "Move all the 'm' terms to one side: \n" ); document.write( "m^2 - 8m = 3 \n" ); document.write( "Take half of b (-8) and square it (16). Add to both sides: \n" ); document.write( "m^2 - 8m + 16 = 3 + 16 \n" ); document.write( "Factoring the left side: \n" ); document.write( "(m-4)(m-4) = 19 \n" ); document.write( "(m-4)^2 = 19 \n" ); document.write( "Take the square root of both sides \n" ); document.write( "m-4 = sqrt(19) \n" ); document.write( "m = 4+sqrt(19) \n" ); document.write( "or \n" ); document.write( "m = {8.3589, -0.3589} \n" ); document.write( " \n" ); document.write( " |