Select the correct answer.What is the least common denominator that can be used to solve this equation?1𝑥+2𝑥−3=5 A. 5𝑥(𝑥−3) B. 𝑥 C. 𝑥(𝑥−3) D. 𝑥−3
Question
Select the correct answer.What is the least common denominator that can be used to solve this equation?1𝑥+2𝑥−3=5 A. 5𝑥(𝑥−3) B. 𝑥 C. 𝑥(𝑥−3) D. 𝑥−3
Solution
To find the least common denominator (LCD) that can be used to solve the equation , follow these steps:
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Identify the denominators: The denominators in the equation are and .
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Find the least common denominator (LCD): The LCD is the smallest expression that both denominators can divide into without leaving a remainder. For and , the LCD is the product of these two distinct linear factors, since they have no common factors other than 1.
Therefore, the LCD is .
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Select the correct answer: From the given options:
- A.
- B.
- C.
- D.
The correct answer is C. .
So, the least common denominator that can be used to solve the equation is .
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