Algebra Examples

$- x^{2} - 4 x - 4$ ; $x = - 3$

Replace the variable $x$ with $- 3$ in the expression.

$- {(- 3)}^{2} - 4 \cdot - 3 - 4$

Simplify each term.

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Raise $- 3$ to the power of $2$ .

$- 1 \cdot 9 - 4 \cdot - 3 - 4$

Multiply $- 1$ by $9$ .

$- 9 - 4 \cdot - 3 - 4$

Multiply $- 4$ by $- 3$ .

$- 9 + 12 - 4$

Simplify by adding and subtracting.

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Add $- 9$ and $12$ .

$3 - 4$

Subtract $4$ from $3$ .

$- 1$