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Given 4x2+4x-1
Using the formula for the roots of quadratic equation, (-b +/-./b2-4ac)/2a
the roots for the above will be (-4+/-4./2)/8 = (-1+/-./2)/2
Hence the two roots are (-1+./2)/2 and (-1-./2)/2
As the roots are irrational, there is no possibility of getting factors.
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