91- 6303239042
Condition for Negative Roots
## Formula
For both roots to be negative:
$$D\ge0$$
$$\alpha+\beta<0$$
$$\alpha\beta>0$$
For:
$$ax^2+bx+c=0$$
this becomes:
$$b^2-4ac\ge0$$
$$-\frac ba<0$$
$$\frac ca>0$$
## Usage
- Used when both roots are required to be negative.
