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7x square +3x -4 =0 |
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Answer» Sorry x= -1 X=1 and x=4/7 7x^2+3x-4=07x^2+7x-4x-4=07x(x+1)-4(x+1)=0(7x-4)(x+1)=0x=4/7 nd x =-1 |
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