Precalculus Examples

$(x + 10) - (- 2 x - 2)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$x + 10 - (- 2 x) - - 2$

Step 1.2

Multiply $- 2$ by $- 1$ .

$x + 10 + 2 x - - 2$

Step 1.3

Multiply $- 1$ by $- 2$ .

$x + 10 + 2 x + 2$

$x + 10 + 2 x + 2$

Step 2

Simplify by adding terms.

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Step 2.1

Add $x$ and $2 x$ .

$3 x + 10 + 2$

Step 2.2

Add $10$ and $2$ .

$3 x + 12$

$3 x + 12$

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