JSS3 Mathematics Revision: Factorisation – Common Factor
Topic: FACTORIZATION: COMMON FACTORS a(b + c) = ab + ac The reverse process, ab + ac = a(b + c), is called taking out the common factor. Consider the factorisation of the expression 5x + 15. Clearly, 5x = 5 X x 15 = 3 X 5 ∴ HCF = 5 Thus 5x + 15 = 5 X x + 3 X 5 = 5(x + 3) […]
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