document.write( "Question 1015558: Please help me and show all steps. Thanks in advance. \r
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document.write( "Find all solutions of the equation x^2+4x+10=0 by completing the square. Express the soutions in the form a+bi: \r
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document.write( " First input the solution with b<0 here:
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document.write( " the real number a equals
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document.write( " and the real number b equals \r
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document.write( " Then input the solution with b>0 here:
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document.write( " the real number a equals
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document.write( " and the real number b equals \n" );
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Algebra.Com's Answer #631902 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! x^2+4x+10=0 \n" ); document.write( "x^2+4x=-10; move the constant to the right \n" ); document.write( "x^2+4x+4=-10+4=-6. Complete the square, adding the number to both sides. \n" ); document.write( "(x+2)^2=-6 \n" ); document.write( "x+2=sqrt (-6), take the square root of both sides. \n" ); document.write( "x= -2+/- i (sqrt (6)) \n" ); document.write( "-2+ i sqrt(6); a= -1, b=1 \n" ); document.write( "-2- i sqrt(6); a= -2, b=-1 \n" ); document.write( " |