document.write( "Question 80808: can some one check this for me please?\r
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document.write( "solve by using quadratic formula\r
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document.write( "5x^2+x+7=0
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document.write( "x=_+sqrt-2^2-5*5*7/2*5
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document.write( "(2)+sqrt(-4)5(7)/2(5)
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document.write( "2+16-49/2
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document.write( "2+sqrt33/2 \n" );
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Algebra.Com's Answer #57964 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve by using quadratic formula \n" ); document.write( "5x^2+x+7=0 \n" ); document.write( "x=[-b+-sqrt(b^2-4ac)]/(2a) \n" ); document.write( "x=[-1+-sqrt(1^2-4*5*7]/(2*5) \n" ); document.write( "x=[-1+-sqrt(-139))]/(10) \n" ); document.write( "x=(-1/10) + (1/10)sqrt(139)i or x=(-1/10) - (1/10)sqrt(139)i \n" ); document.write( "============ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |