Factor the polynomial function f and find all real roots of f. f(x) = 3x3 - x2 - 30x + 10

A. f(x) = (x + 3)(x2 - 10); roots: -3, , and -
B. f(x) = (x - 3)(x2 - 10); roots: 3, , and -
C. f(x) = (3x - 1)(x2 - 10); roots: , and- 
D. f(x) = (3x + 1)(x2 - 10); roots: - , and - 


Answer: C

Mathematics

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