Evaluate Using the Given Value x^2-2x+3 when x=-3

$x^{2} - 2 x + 3$ when $x = - 3$

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

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

Simplify each term.

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

$9 - 2 \cdot - 3 + 3$

Multiply $- 2$ by $- 3$ .

$9 + 6 + 3$

Simplify by adding numbers.

Add $9$ and $6$ .

$15 + 3$

Add $15$ and $3$ .

$18$