Evaluate Using the Given Value 2x^2-y^1+3x^0 for x=4 and y=7

$2 x^{2} - y^{1} + 3 x^{0}$ for $x = 4$ and $y = 7$

Replace the variable $x$ with $4$ in the expression.

$2 {(4)}^{2} - y^{1} + 3 {(4)}^{0}$

Replace the variable $y$ with $7$ in the expression.

$2 {(4)}^{2} - {(7)}^{1} + 3 {(4)}^{0}$

Simplify each term.

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

$2 \cdot 16 - {(7)}^{1} + 3 {(4)}^{0}$

Multiply $2$ by $16$ .

$32 - {(7)}^{1} + 3 {(4)}^{0}$

Evaluate the exponent.

$32 - 1 \cdot 7 + 3 {(4)}^{0}$

Multiply $- 1$ by $7$ .

$32 - 7 + 3 {(4)}^{0}$

Anything raised to $0$ is $1$ .

$32 - 7 + 3 \cdot 1$

Multiply $3$ by $1$ .

$32 - 7 + 3$

Simplify by adding and subtracting.

Subtract $7$ from $32$ .

$25 + 3$

Add $25$ and $3$ .

$28$