Solve $x^2+5x+6=0$x2+5x+6=0 by completing the square:
Solve $x^2-6x-16=0$x2−6x−16=0 by completing the square:
The polynomial $P\left(x\right)=x^3-10x-3$P(x)=x3−10x−3 has a zero at $x=-3$x=−3. Solve for the other zeros of $P\left(x\right)$P(x).
Solve the following equation:
$x^3+5x^2-50x=0$x3+5x2−50x=0