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Examples

$y = 4 x^{2} - 2$ , $x = 2$

Step 1

Substitute $2$ in for $x$ .

$y = 4 {(2)}^{2} - 2$

Step 2

Solve for $y$ .

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Step 2.1

Remove parentheses.

$y = 4 \cdot 2^{2} - 2$

Step 2.2

Remove parentheses.

$y = 4 {(2)}^{2} - 2$

Step 2.3

Simplify $4 {(2)}^{2} - 2$ .

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Step 2.3.1

Simplify each term.

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Step 2.3.1.1

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

$y = 4 \cdot 4 - 2$

Step 2.3.1.2

Multiply $4$ by $4$ .

$y = 16 - 2$

$y = 16 - 2$

Step 2.3.2

Subtract $2$ from $16$ .

$y = 14$

$y = 14$

$y = 14$

Step 3

Enter YOUR Problem

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$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$