Davies Chambers
01/21/2024 · Senior High School
Fill in each blank so that the resulting statement is true. The restrictions on the variable in the rational equation below are \( \frac{1}{x-2}-\frac{2}{x+5}=\frac{2 x-1}{x^{2}+3 x-10} \) The restrictions on the variable in the rational equation are \( x \neq \square \) and \( x \neq \square \). (Use ascending order.)
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Step-by-step Solution
To find the restrictions on the variable \( x \) in the rational equation
\[
\frac{1}{x-2}-\frac{2}{x+5}=\frac{2 x-1}{x^{2}+3 x-10},
\]
we need to identify the values of \( x \) that would make any denominator equal to zero.
1. **Identify the denominators:**
- The first term has a denominator of \( x - 2 \).
- The second term has a denominator of \( x + 5 \).
- The right side has a denominator of \( x^2 + 3x - 10 \).
2. **Set each denominator to zero and solve for \( x \):**
- For \( x - 2 = 0 \):
\[
x = 2
\]
- For \( x + 5 = 0 \):
\[
x = -5
\]
- For \( x^2 + 3x - 10 = 0 \), we can factor it:
\[
x^2 + 3x - 10 = (x + 5)(x - 2) = 0.
\]
This gives us the same solutions \( x = 2 \) and \( x = -5 \).
3. **List the restrictions:**
The restrictions on the variable in the rational equation are \( x \neq 2 \) and \( x \neq -5 \).
Thus, the final answer is:
The restrictions on the variable in the rational equation are \( x \neq -5 \) and \( x \neq 2 \).
Quick Answer
The restrictions on the variable are \( x \neq -5 \) and \( x \neq 2 \).
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