Algebra Examples

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

Step 1

Simplify each term.

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Step 1.1

Raise $4$ to the power of $2$ .

$f (4) = 3 \cdot 16 - 2 \cdot 4$

Step 1.2

Multiply $3$ by $16$ .

$f (4) = 48 - 2 \cdot 4$

Step 1.3

Multiply $- 2$ by $4$ .

$f (4) = 48 - 8$

$f (4) = 48 - 8$

Step 2

Subtract $8$ from $48$ .

$f (4) = 40$

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