If (a-b),a and (a+b)are zeros of the polynomials 2x3-6x2+5x -7, write the value of a.

If (a-b),a and (a+b)are zeros of the polynomials 2x3-6x2+5x -7, write

1.	If (a-b),a and (a+b)are zeros of the polynomials 2x3-6x2+5x -7, write the value of a.
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