You're looking for factors of 196 that combine to make 28.
If that's +196, the answer is (x - 14)(x - 14) or (x - 14)2
If that's -196, it gets ugly in a hurry.
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(6x - 1)(6x - 1)
(2x - 3)(3x + 2)
(3x - 4)(2x^2 + 6x + 5)
With great difficulty not knowing if 6x and 27 are plus or minus
6x(3x2 - x + 4)