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secondary 3 | A Maths
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Need help with qns 2,3,4
Date Posted: 7 years ago
Views: 394
for question 2 , use the formula (a+b)(a-b)=a^2-b^2
question 3 , factorise the right side equation , then from there its easy
question 4 . expand both brackets on both sides then transfer x onto one side then done
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