Basic Math Examples

$\sqrt{- 19} + 4$

Step 1

Simplify each term.

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Step 1.1

Rewrite $- 19$ as $- 1 (19)$ .

$\sqrt{- 1 (19)} + 4$

Step 1.2

Rewrite $\sqrt{- 1 (19)}$ as $\sqrt{- 1} \cdot \sqrt{19}$ .

$\sqrt{- 1} \cdot \sqrt{19} + 4$

Step 1.3

Rewrite $\sqrt{- 1}$ as $i$ .

$i \sqrt{19} + 4$

Step 2

Reorder $i \sqrt{19}$ and $4$ .

$4 + i \sqrt{19}$