Question

Find the zeros of the parabola f(x) = x^3 - 4x^2 - 25x + 100 algebraically.

Answer 1

x^3 is not a parabola ...

Answer 2

let x = u-4/3 perhaps for a subsitution .... unless your good at factoring

Answer 3

might need to bea u+4/3

Answer 4

Graph would look like this and as amistre64 said it's not a parabola.
Then again, I don't think you need a graph for solving the equation.