document.write( "Question 797828: I'm so confused on this problem.... Please help!!\r
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document.write( "Solve the following quadratic equation by completing the square. Simplify the solutions and write them in
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document.write( "a + bi form\r
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document.write( "5x^2 + x = −5 \n" );
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Algebra.Com's Answer #481955 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "5x^2 + x = −5 \n" ); document.write( "---- \n" ); document.write( "5(x^2 + (1/5)x + ?) = -5 + 5*? \n" ); document.write( "---- \n" ); document.write( "5(x^2 + (1/5)x + (1/10)^2) = -5 + 5(1/10)^2 \n" ); document.write( "---- \n" ); document.write( "5(x+(1/10))^2 = (-500/100) + (5/100) \n" ); document.write( "------------------- \n" ); document.write( "5(x+(1/10))^2 = -495/100 \n" ); document.write( "-- \n" ); document.write( "(x+(1/10))^2 = -99/100 \n" ); document.write( "---- \n" ); document.write( "x + (1/10) = +-(9/10)sqrt(10)i \n" ); document.write( "----- \n" ); document.write( "x = (-1/10) +-(9/10)sqrt(10)i \n" ); document.write( "================================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================= \n" ); document.write( " |