12(x4 - x3) = 2(2)(3)x3(x - 1)
x4 - 3x3 + 2x2 = x2(x2 - 3x + 2) = x2(x - 2)(x - 1)
2(2)(3)x3(x - 2)(x - 1) = 12x3(x2 - 3x + 2) = 12x5 - 36x4 + 24x3
Abhilash R.
asked 06/10/18
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