# Math Help - Solving a Quintic Equation

1. ## Solving a Quintic Equation

Please help me solve this equation for zero...

3r^5-15r^3-18r=0

2. Originally Posted by runner940
Please help me solve this equation for zero...

3r^5-15r^3-18r=0
$3r (r^4 - 5r^2 - 6) = 0 \Rightarrow 3r (r^2 - 6)(r^2 + 1) = 0 \, ....$