Question

Approximate the real number solution(s) to the polynomial function f(x) = x3 – 2x2 – 5x + 6 .

Answer 1

Let's use the same procedure we used for the last one. \[x \left(x^2 - 2x - 5 \right) = -6\]The first root is -6, the remaining two can be found using the quadratic equation.