Bjorn Ng's answer to Pooh pooh bear's Secondary 2 Maths Singapore question.

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Bjorn Ng
Bjorn Ng's answer
4 answers (Tutor Details)
1st
The main thing to take note is x^2 - 25, which is a^2 - b^2. This can be simplified to (a+b)(a-b).
Pooh pooh bear
Pooh Pooh Bear
3 years ago
Thank a lot
Pooh pooh bear
Pooh Pooh Bear
3 years ago
Thank