Xiu Hui's answer to Glendon's Secondary 1 Maths Singapore question.

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Xiu Hui
Xiu Hui's answer
4 answers (A Helpful Person)
1st
(5m-3)(a-3b)


Factorise means to take out the ‘common factor’. So you can see that the common parts is the (5m-3). So the remaining parts left will be placed together. If you cannot visualise, imagine (5m-3) = x.