Trigonometry Examples

$p (2) = 2^{3} - 2$

Step 1

Divide each term in $p (2) = 2^{3} - 2$ by $2$ .

$\frac{p \cdot 2}{2} = \frac{2^{3}}{2} + \frac{- 2}{2}$

Step 2

Simplify the left side.

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Step 2.1

Cancel the common factor of $2$ .

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Step 2.1.1

Cancel the common factor.

$\frac{p \cdot 2}{2} = \frac{2^{3}}{2} + \frac{- 2}{2}$

Step 2.1.2

Divide $p$ by $1$ .

$p = \frac{2^{3}}{2} + \frac{- 2}{2}$

Step 3

Simplify the right side.

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Step 3.1

Combine the numerators over the common denominator.

$p = \frac{2^{3} - 2}{2}$

Step 3.2

Simplify the expression.

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Step 3.2.1

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

$p = \frac{8 - 2}{2}$

Step 3.2.2

Subtract $2$ from $8$ .

$p = \frac{6}{2}$

Step 3.2.3

Divide $6$ by $2$ .

$p = 3$