document.write( "Question 203815: how to
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Algebra.Com's Answer #153791 by RAY100(1637)\"\" \"About 
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q^2 -3q +18 =0
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\n" ); document.write( "if it was q^2 -3q-18=(q-6)(q+3)
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\n" ); document.write( "however as it stands use quadratic formula
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\n" ); document.write( "a=1,,,b=-3,,,c=18
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\n" ); document.write( "q= [ -(-3) +/- sqrt{ (-3)^2 -4(1)(18) ] / 2(1)
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\n" ); document.write( "q= [3 +/- sqrt{9-72} ] /2
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\n" ); document.write( "q=[ 3+/- (7.94 i ) /2
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\n" ); document.write( "q= 3/2 +/- 3.97 i
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