Chemistry Examples

$(8 x + 9) - (9 x - 9)$

Step 1

Simplify each term.

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Step 1.1

Apply the distributive property.

$8 x + 9 - (9 x) - - 9$

Step 1.2

Multiply $9$ by $- 1$ .

$8 x + 9 - 9 x - - 9$

Step 1.3

Multiply $- 1$ by $- 9$ .

$8 x + 9 - 9 x + 9$

$8 x + 9 - 9 x + 9$

Step 2

Simplify by adding terms.

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Step 2.1

Subtract $9 x$ from $8 x$ .

$- x + 9 + 9$

Step 2.2

Add $9$ and $9$ .

$- x + 18$

$- x + 18$

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