Basic Math Examples

$(- 7) (\sqrt{144}) + 7 \cdot - 1$

Step 1

Simplify each term.

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Step 1.1

Rewrite $144$ as $12^{2}$ .

$- 7 \sqrt{12^{2}} + 7 \cdot - 1$

Step 1.2

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

$- 7 \cdot 12 + 7 \cdot - 1$

Step 1.3

Multiply $- 7$ by $12$ .

$- 84 + 7 \cdot - 1$

Step 1.4

Multiply $7$ by $- 1$ .

$- 84 - 7$

Step 2

Subtract $7$ from $- 84$ .

$- 91$