Factorised multiplication and division

Factorised multiplication and division

Secondary 2

3 marks

TGM Original Questions

Simplify \(\dfrac{(ru^2-su^2)(8r+16s)}{4u(r^2+rs-2s^2)}\). State the restrictions on the original expression.[3]

Solution:

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Answer:\(2 u\) where \(u\ne0,\ r - s\ne0,\ r + 2 s\ne0\)

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