Finite Math Examples

$- 2 {(- 7)}^{2} - 4 \cdot - 7 - 9$

Step 1

Simplify each term.

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Step 1.1

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

$- 2 \cdot 49 - 4 \cdot - 7 - 9$

Step 1.2

Multiply $- 2$ by $49$ .

$- 98 - 4 \cdot - 7 - 9$

Step 1.3

Multiply $- 4$ by $- 7$ .

$- 98 + 28 - 9$

$- 98 + 28 - 9$

Step 2

Simplify by adding and subtracting.

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Step 2.1

Add $- 98$ and $28$ .

$- 70 - 9$

Step 2.2

Subtract $9$ from $- 70$ .

$- 79$

$- 79$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$