Finite Math Examples

$f (3) = x^{2} - 3 x + 2$

Step 1

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

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

Step 2

Simplify the result.

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Step 2.1

Simplify each term.

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Step 2.1.1

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

$f (3) = 9 - 3 \cdot 3 + 2$

Step 2.1.2

Multiply $- 3$ by $3$ .

$f (3) = 9 - 9 + 2$

Step 2.2

Simplify by adding and subtracting.

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Step 2.2.1

Subtract $9$ from $9$ .

$f (3) = 0 + 2$

Step 2.2.2

Add $0$ and $2$ .

$f (3) = 2$

Step 2.3

The final answer is $2$ .

$2$

Step 3