Precalculus Examples

$x = \frac{- 4 - \sqrt{4^{2} - 4 \cdot 2.9}}{2.2}$

Step 1

The result can be shown in multiple forms.

Exact Form:

$x = \frac{- 4 - \sqrt{4^{2} - 4 \cdot 2.9}}{2.2}$

Decimal Form:

$x = - 2.77164440 \dots$