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Secondary 1 | Maths
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Anna
Anna

Secondary 1 chevron_right Maths

How to solve ?? tq

Date Posted: 6 years ago
Views: 330

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Kym Koh Hui Xin
Kym Koh Hui Xin's answer
25 answers (Tutor Details)
1st
you need to know that m^2 - 49 can be simplified to (m-7)(m+7) as (a^2 - b^2) = (a+b)(a-b)