Basic Math Examples

$\sqrt{7^{2} - 4 \cdot 5 \cdot 3}$

Step 1

Raise $7$ to the power of $2$ .

$\sqrt{49 - 4 \cdot 5 \cdot 3}$

Step 2

Multiply $- 4 \cdot 5 \cdot 3$ .

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Step 2.1

Multiply $- 4$ by $5$ .

$\sqrt{49 - 20 \cdot 3}$

Step 2.2

Multiply $- 20$ by $3$ .

$\sqrt{49 - 60}$

Step 3

Subtract $60$ from $49$ .

$\sqrt{- 11}$

Step 4

Rewrite $- 11$ as $- 1 (11)$ .

$\sqrt{- 1 (11)}$

Step 5

Rewrite $\sqrt{- 1 (11)}$ as $\sqrt{- 1} \cdot \sqrt{11}$ .

$\sqrt{- 1} \cdot \sqrt{11}$

Step 6

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

$i \sqrt{11}$