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secondary 2 | Maths
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secondary 2 chevron_right Maths chevron_right Singapore

only need b
pls teach me how to do too

ans is (2r+1)(2r+1)(2r+3)(2r-3)

Date Posted: 4 years ago
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Eric Nicholas K
Eric Nicholas K's answer
5997 answers (Tutor Details)
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We factorise the expression continuously until the simplest.
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4 years ago
thx:)