Questions: Subtract as indicated. Express your answer in lowest terms.
-(beta^3/14-1/(7 x))
Transcript text: Subtract as indicated. Express your answer in lowest terms.
\[
-\frac{\beta^{3}}{14}-\frac{1}{7 x}
\]
Solution
Solution Steps
To subtract the given fractions, we need to find a common denominator. The denominators are \(14\) and \(7x\). The least common denominator (LCD) will be \(14x\). Convert each fraction to have this common denominator, perform the subtraction, and simplify the result if possible.
Step 1: Identify the Common Denominator
To subtract the fractions \(-\frac{\beta^3}{14}\) and \(\frac{1}{7x}\), we first need to find a common denominator. The denominators are \(14\) and \(7x\). The least common denominator (LCD) is \(14x\).
Step 2: Convert Fractions to Common Denominator
Convert each fraction to have the common denominator \(14x\):
The first fraction \(-\frac{\beta^3}{14}\) is converted by multiplying the numerator and denominator by \(x\), resulting in \(-\frac{\beta^3 \cdot x}{14x}\).
The second fraction \(\frac{1}{7x}\) is converted by multiplying the numerator and denominator by \(2\), resulting in \(\frac{2}{14x}\).
Step 3: Subtract the Fractions
Subtract the converted fractions:
\[
-\frac{\beta^3 \cdot x}{14x} - \frac{2}{14x} = \frac{-\beta^3 \cdot x - 2}{14x}
\]
Step 4: Simplify the Result
The expression \(\frac{-\beta^3 \cdot x - 2}{14x}\) is already in its simplest form since there are no common factors in the numerator and the denominator that can be further simplified.