Algebra Examples

$- 2 x + 3 y^{2}$ , $x = 1$ , $y = - 1$

Step 1

Replace the variable $x$ with $1$ in the expression.

$- 2 \cdot 1 + 3 y^{2}$

Step 2

Replace the variable $y$ with $- 1$ in the expression.

$- 2 \cdot 1 + 3 {(- 1)}^{2}$

Step 3

Simplify each term.

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Step 3.1

Multiply $- 2$ by $1$ .

$- 2 + 3 {(- 1)}^{2}$

Step 3.2

Raise $- 1$ to the power of $2$ .

$- 2 + 3 \cdot 1$

Step 3.3

Multiply $3$ by $1$ .

$- 2 + 3$

Step 4

Add $- 2$ and $3$ .

$1$