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Factorise x^2+x+1upon4 |
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Answer» 4x^2+4x+1=0 4x^2+2x+2x+1=0 2x(2x+1)+1(2x+1)=0 (2x+1)(2x+1)=0 x= -1/2,-1/2 Ans》-1/2,-1/2 |
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