Answer
$-3, \frac{1}{4},2$.
Work Step by Step
1. For $f(x)=4x^3+3x^2-25x+6$, use synthetic division as shown to find zero(s) $x=2$.
2. Use the quotient to find other zero(s) $4x^2+11x-3=0 \Longrightarrow (4x-1)(x+3)=0 \Longrightarrow x=-3, \frac{1}{4}$.
