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Secondary 1 | Maths
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What is the highest common factor (HCF) of 9 and 36?
9
What is the HCF of m³ and m?
m
What is the HCF of x² and x³?
x²
So, factor out 9mx²
9m³x² + 36mx³
= 9mx² (m² + 4x)
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