$ \begin{array}{l}\pi-180^{\circ} \ x-140^{\circ} \ \frac{18 x-14 \pi}{x \frac{18}{14}}\end{array} $

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Accepted Answer

To understand and solve each expression step by step, let's start with the first two expressions and then move on to the third one which seems to involve a calculation based on $x$ and $\pi$.

### 1. $ \pi - 180^\circ $

This expression seems to be mixing radians ($\pi$) and degrees ($180^\circ$). Remember, $\pi$ radians is equal to $180^\circ$. So, if we were to interpret this expression in a consistent unit, it would not make sense as written since you cannot directly subtract degrees from radians without conversion. However, if the intention was to express the difference between these two values in either radians or degrees, it would effectively be zero since $\pi$ radians = $180^\circ$.

### 2. $ x - 140^\circ $

This expression indicates a subtraction of $140^\circ$ from $x$, where $x$ is an unspecified angle. Without more context or a specific value for $x$, we can't simplify this further.

### 3. $ \frac{18x - 14\pi}{x \frac{18}{14}} $

To simplify this expression, follow these steps:

Given,
$$ \frac{18x - 14\pi}{x \cdot \frac{18}{14}} $$

First, simplify the denominator:
$$ x \cdot \frac{18}{14} = x \cdot \frac{9}{7} $$

So the expression becomes:
$$ \frac{18x - 14\pi}{x \cdot \frac{9}{7}} $$

Now, to simplify further, multiply both numerator and denominator by the reciprocal of the denominator's fraction:
$$ \frac{18x - 14\pi}{x \cdot \frac{9}{7}} \cdot \frac{7}{9} $$

Simplifying:
$$ \frac{18x - 14\pi}{x} \cdot \frac{7}{9} $$

$$ \frac{18x}{x} - \frac{14\pi}{x} \cdot \frac{7}{9} $$

$$ 18 - \frac{14\pi}{x} \cdot \frac{7}{9} $$

$$ 18 - \frac{98\pi}{9x} $$

So, the simplified form of the given expression is:
$$ 18 - \frac{98\pi}{9x} $$

This is assuming $x$ is not equal to zero to avoid division by zero.

$\begin{array}{l}\pi-180^{\circ} \\ x-140^{\circ} \\ \frac{18 x-14 \pi}{x \frac{18}{14}}\end{array}$

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π−180∘x−140∘18x−14πx1814\begin{array}{l}\pi-180^{\circ} \\ x-140^{\circ} \\ \frac{18 x-14 \pi}{x \frac{18}{14}}\end{array}π−180∘x−140∘x1418​18x−14π​​

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$\begin{array}{l}\pi-180^{\circ} \\ x-140^{\circ} \\ \frac{18 x-14 \pi}{x \frac{18}{14}}\end{array}$