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secondary 3 | E Maths
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Can someone help explain the working for 2g?Thank you:)
Date Posted: 6 years ago
Views: 382
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Hope you'll understand. (2x-1) sq is by using a^2-2ab+b^2
Date Posted:
6 years ago
yes I do!Thank u!
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U can use substitution to simply algebraic expresssions... at times. When your algebra is strong, you can work it out without substitution, as Jiayang did.
Date Posted:
6 years ago
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