Question

Find the roots of the equation 3x^3 + 2x^2 + 9x + 1 = 83

Answer 1

Use {q + [q2 + (r-p2)3]1/2}1/3 + {q - [q2 + (r-p2)3]1/2}1/3 + p

Answer 2

am I wrong in thinking that's just another notation for the "rational root test"?

Answer 3

Cubic formula

Answer 4

ok

Answer 5

apply what they say, http://www.math.vanderbilt.edu/~schectex/courses/cubic/