Evaluate Using the Given Value 4(x-3)+5x-x^2 for x=3

$4 (x - 3) + 5 x - x^{2}$ for $x = 3$

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

$4 ((3) - 3) + 5 (3) - {(3)}^{2}$

Simplify each term.

Subtract $3$ from $3$ .

$4 \cdot 0 + 5 (3) - {(3)}^{2}$

Multiply $4$ by $0$ .

$0 + 5 (3) - {(3)}^{2}$

Multiply $5$ by $3$ .

$0 + 15 - {(3)}^{2}$

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

$0 + 15 - 1 \cdot 9$

Multiply $- 1$ by $9$ .

$0 + 15 - 9$

Simplify by adding and subtracting.

Add $0$ and $15$ .

$15 - 9$

Subtract $9$ from $15$ .

$6$