Basic Math Examples

$3 (- 7) + \sqrt{64}$

Step 1

Simplify each term.

Tap for more steps...

Step 1.1

Multiply $3$ by $- 7$ .

$- 21 + \sqrt{64}$

Step 1.2

Rewrite $64$ as $8^{2}$ .

$- 21 + \sqrt{8^{2}}$

Step 1.3

Pull terms out from under the radical, assuming positive real numbers.

$- 21 + 8$

Step 2

Add $- 21$ and $8$ .

$- 13$