document.write( "Question 50462: Please help me solve this equation. it is completing the square:\r
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document.write( "2b2 + 7b + 4=0 \n" );
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Algebra.Com's Answer #33507 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! 2b^2 + 7b + 4=0 \n" ); document.write( "2(b^2+(7/2)b+? = -4 \n" ); document.write( "b^2+(7/2)b+(7/4)^2=-2+(7/4)^2 \n" ); document.write( "(b+(7/4))^2 = -32/16 + 49/16 \n" ); document.write( "(b+(7/4))^2 = 17/16 \n" ); document.write( "Take the sqrt of both sides to get: \n" ); document.write( "b+7/4= (sqrt17)/4 or b+7/4 = -(sqrt17)/4 \n" ); document.write( "b = [-7+(sqrt17)]/4 or b = [-7-(sqrt17)]/4\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |