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The 7th degree polynomial x^7 - 3x^6 - 7x^4 + 21x^3 - 8x + 24 has a factor (x - 3)
(a) Divide x^7 - 3x^6 - 7x^4 + 21x^3 - 8x + 24 by x - 3 and thus:
(b) Express it in the form (x - 3)(ax^6 + bx^3 + c)
(c) By putting Z = x^3, find all the factors, real or complex of the 6th degree polynomial and thus:
(d) Express x^7 - 3x^6 - 7x^4 + 21x^3 - 8x + 24 as the product of seven linear factors.
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