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secondary 2 | Maths
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LZmath
LZmath

secondary 2 chevron_right Maths chevron_right Singapore

Really need help with (e) and (f) thanks!

Date Posted: 4 years ago
Views: 298

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Ma Jia Li
Ma Jia Li's answer
3 answers (Tutor Details)
1st
sub in using the quadratic formula
Jayden Chua
Jayden Chua
4 years ago
part f wrong
Jayden Chua
Jayden Chua
4 years ago
20=2xy so dun need multiply by 2 again
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Marvin
Marvin's answer
4 answers (Tutor Details)
Jayden Chua
Jayden Chua
4 years ago
no need multiply 20 by 2 again cause 2xy = 20 already, if multiply by then you get 40 which is 4xy.