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Which one is a factor of 2x4-5x3+6x2-5x+2?

Which one is a factor of 2x4-5x3+6x2-5x+2? Correct Answer x-1

2x4 - 5x3 + 6x2 - 5x + 2 = 2x4 - 2x3 - 3x2 + 3x2 + 3x2 - 3x - 2x + 2 = 2x3(x - 1) - 3x2(x - 1) + 3x(x - 1) - 2(x - 1) = (x - 1)(2x3 - 3x2 + 3x - 2).:. 2x4 - 5x3 + 6x2 - 5x + 2  এর একটি উৎপাদক (x - 1) .

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