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2026 NORTHBROOKS P1 Q9
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2026 NORTHBROOKS P1 Q9
Secondary 4
4 marks
Simplify \(\dfrac{p^4q}{28x}\div\dfrac{5q^3}{21px}\).
[2]
Factorise completely \(15ab-3ac-5b+c\).
[2]
Solution:
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Answer:
(a) \(\dfrac{3p^5}{20q^2}\) (b) \((3a-1)(5b-c)\).
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