Calculus Examples

$4 x^{3} - 34 x$ , $x = - 2$

Step 1

Replace the variable $x$ with $- 2$ in the expression.

$4 {(- 2)}^{3} - 34 \cdot - 2$

Step 2

Simplify each term.

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Step 2.1

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

$4 \cdot - 8 - 34 \cdot - 2$

Step 2.2

Multiply $4$ by $- 8$ .

$- 32 - 34 \cdot - 2$

Step 2.3

Multiply $- 34$ by $- 2$ .

$- 32 + 68$

Step 3

Add $- 32$ and $68$ .

$36$