Writing expressions as one fraction

Writing expressions as one fraction

Secondary 2
3 marks
TGM Original Questions

Express as a single fraction in its simplest form: \(\dfrac7{2r+1}-\dfrac3{r-2}\). State the restrictions on the original expression.[3]

Solution:

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Answer:\(\dfrac{r - 17}{\left(r - 2\right) \left(2 r + 1\right)}\) where \(2 r + 1\ne0,\ r - 2\ne0\)

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