Jeremy Lim Sheng Yang's answer to Z's Secondary 3 E Maths question.

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Jeremy Lim Sheng Yang
Jeremy Lim Sheng Yang's answer
5 answers (Tutor Details)
1st
First you expand the equation, then you take out x and numbers! Take a look at my working and see if you understand!!
Z
Z
6 years ago
Thank you so much!!
Why cannot sub b=-20 into eqn