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Polynomials
(Answer ID # 0262658)
Apply variable substitution and then factor to find all of the roots.

1.   f(x) = -x5 + 9x3 - 20x	2.   f(x) = x4 - 12x2 + 11
3.   f(x) = x4 - 149x2 + 4900	4.   f(x) = x4 - 9x2 + 8
5.   f(x) = x4 - 18x2 + 81	6.   f(x) = 3x5 - 33x3 + 84x
7.   f(x) = x4 - 9x2 + 14	8.   f(x) = x4 - 53x2 + 196
9.   f(x) = -x5 + 16x3 - 63x	10.   f(x) = x4 - 6x2 + 9
11.   f(x) = 2x5 - 42x3 + 220x	12.   f(x) = x4 - 12x2 + 27
13.   f(x) = -3x5 + 21x3 - 36x	14.   f(x) = x4 - 130x2 + 1089
15.   f(x) = -x5 + 17x3 - 72x	16.   f(x) = x4 - 72x2 + 1296
17.   f(x) = x4 - 7x2 + 10	18.   f(x) = x4 - 2x2 + 1
19.   f(x) = x4 - 13x2 + 36	20.   f(x) = -4x5 + 60x3 - 216x

 

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